Three's not a crowd! Kate Beckinsale cosies up to ex Michael Sheen and his girlfriend Sarah Silverman at Love & Friendship premiere

When one's ex-boyfriend and his girlfriend flock to your premiere, you know it's going to be a good time.

Kate Beckinsale certainly lived up to the title of her latest movie Love & Friendship as she showed she had a lot of both when it came to her ex Michael Sheen and his current love Sarah Silverman.

The English actress, 42, looked thrilled to see the pair as they showed their support for her at the Los Angeles screening of her new film.

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All that shimmers: Kate Beckinsale exuded charm and grace in a black halterneck gown as she attended the Los Angeles premiere of her film Love & Friendship on Tuesday

All that shimmers: Kate Beckinsale exuded charm and grace in a black halterneck gown as she attended the Los Angeles premiere of her film Love & Friendship on Tuesday

Make 'em laugh: Kate was joined by her ex-boyfriend Michael Sheen and his girlfriend Sarah Silverman

Make 'em laugh: Kate was joined by her ex-boyfriend Michael Sheen and his girlfriend Sarah Silverman

The actress got some preferential treatment from a couple of her premiere guests - her former partner, actor Michael Sheen, and his beloved, comedienne Sarah Silverman.

Kate, who shares daughter Lily, 17, with Michael, was having a blast kidding around with the Welsh actor, 47.

Her glee extended to Michael's current love, with at one point, Kate cupping Sarah's face in her hands as the stand-up comic, 45, gave her a silly, languorous look.

Ex factor: Kate's former beau Michael was in attendance with his current squeeze Sarah

Ex factor: Kate's former beau Michael was in attendance with his current squeeze Sarah

Confident: The 42-year-old star posed with hand on hip while displaying a cheery smile

Confident: The 42-year-old star posed with hand on hip while displaying a cheery smile

Best of friends: Sarah has been equally complimentary about Kate in the past, having previously said: 'I love her. She's hilarious... She's really really cool. They're really funny together'
Best of friends: Sarah has been equally complimentary about Kate in the past, having previously said: 'I love her. She's hilarious... She's really really cool. They're really funny together'

Checking her glands? The English actress showed that she likes to kid around just like Sarah

Speaking to E!'s Marc Malkin on the red carpet, Kate admitted she was thrilled at Michael's choice of girlfriend.

She said: 'I love her. I love her. I love her. I am so glad Michael found her so I don't have to spend the rest of my life looking for her.' 

Sarah has been equally complimentary about Kate in the past, having previously said: 'I love her. She's hilarious... She's really really cool. They're really funny together.'

When she compared herself to Michael's famously stunning exes, Sarah added: 'No it's more like, "Look at all these beautiful women and he loves me." It's more like that, like "Wow".'

Details, details: Kate's gown was snug from top to bottom where it ended in a mini split
Details, details: Kate's gown was snug from top to bottom where it ended in a mini split

Details, details: Kate's Thierry Mugler gown was snug from top to bottom where it ended in a mini split

Dare to bare: Kate flashed a hint of her long legs as she walked the red carpet, thanks to the frock's slit

Dare to bare: Kate flashed a hint of her long legs as she walked the red carpet, thanks to the frock's slit

Quite a greeting: Sarah gave Kate a big bear hug

Quite a greeting: Sarah gave Kate a big bear hug

Firm friends: Kate has spoken of her love for Sarah, admitting she was thrilled her ex had found the comedienne as a life partner

Firm friends: Kate has spoken of her love for Sarah, admitting she was thrilled her ex had found the comedienne as a life partner

Meanwhile, Kate was looking her usual glamorous self in a form-fitting black halterneck gown by Thierry Mugler.

The inward swoop of the bodice allowed her to show off her toned shoulders and arms while a mini split in front allowed glimpses of ankles and black-strapped heels.

The dress' fabric had a subtle shimmer to it, and long earrings and dramatic dark nail polish were cool additions.

Kate clutched a small bag as she posed this way and that way, her long brunette-bronze locks flat on top and cascading in neat orderly waves. 

Curly is girly: Kate's hair was styled in sleek and cascading curls

Curly is girly: Kate's hair was styled in sleek and cascading curls

Getting along famously: Kate welcomed Michael and Sarah to the premiere with opens arms

Getting along famously: Kate welcomed Michael and Sarah to the premiere with opens arms

Romance still going strong: The couple - who have been dating since early 2014 - breezed to the screening hand-in-hand

Romance still going strong: The couple - who have been dating since early 2014 - breezed to the screening hand-in-hand

Kate, who is said to have split from director husband Len Wiseman, was in a relationship with Michael from 1995 until 2003, although they never married.

If anything, Kate proved that there was a lot of 'love' and 'friendship' going on right here.

Michael has been dating Sarah since early 2014, a year after his split from Canadian actress Rachel McAdams after two years together. 

Love & Friendship is based on the novella Lady Susan by Jane Austen.

Shall we dance? Kate did a little waltz with Love & Friendship writer-director Whit Stillman

Shall we dance? Kate did a little waltz with Love & Friendship writer-director Whit Stillman

Accessories are nice: The actress added long earrings and a black and purple clutch

Accessories are nice: The actress added long earrings and a black and purple clutch

It tells the story of a widow, Lady Susan Vernon, who seeks refuge at her in-laws' estate where she soon begins to act as matchmaker for her daughter Francesa - and herself.

The movie also stars Chloe Sevigny, Xavier Samuel and Emma Greenwell. 

The romantic drama premiered at Sundance Film Festival in January and will bow in US theatres on May 13.

Gorgeous at every angle: Kate showed off her stunning figure in the dress as she twirled for the cameras
Gorgeous at every angle: Kate showed off her stunning figure in the dress as she twirled for the cameras
Gorgeous at every angle: Kate showed off her stunning figure in the dress as she twirled for the cameras

Gorgeous at every angle: Kate showed off her stunning figure in the dress as she twirled for the cameras

Star trip: Kate gratified her fans by signing autographs to Beckinsale memorabilia 

Star trip: Kate gratified her fans by signing autographs to Beckinsale memorabilia 

Anything goes: Sarah displayed her signature anything goes style while Isabel Lucas looked simply chic
Anything goes: Sarah displayed her signature anything goes style while Isabel Lucas looked simply chic

Anything goes: Sarah displayed her signature anything goes style while Isabel Lucas looked simply chic

Centre of attention: The English actress posed up a storm for the cameras

Centre of attention: The English actress posed up a storm for the cameras

Classic tale: Love & Friendship - based on the Jane Austen novella Lady Susan - also stars Chloe Sevigny and opens in US theatres on May 13

Classic tale: Love & Friendship - based on the Jane Austen novella Lady Susan - also stars Chloe Sevigny and opens in US theatres on May 13

 

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