A right royal knees-up! Zara Phillips lets her hair down with some beers as she enjoys a night out with Strictly pals Kirsty Gallacher and Brendan Cole

Night off: Zara Phillips, 34, was spotted enjoying a couple of beers with her famous pals in a London hotel bar until the early hours of the morning recently

Dancing buddies: The British equestrian was joined by her close friend, Strictly Come Dancing contestant Kirsty Gallacher, 39, and her professional dance partner, Brendan Cole, also 39

Supportive: Zara and Natalie were seen cheering Kirsty on in Strictly earlier in the evening

 Sporty pal: Sky Sports F1 presenter Natalie Pinkham, 37, was also present for the seemingly boozy night out

Party time: Zara - who's 16th in line to the throne - was surrounded by bottles of Peroni beer, glasses of red wine and packets of Walker's crisps, just in case the group got peckish

Royal fashion: The Olympic silver medallist - who's mum to one-year-old daughter Mia with her ex-rugby player husband - looked gorgeous in her Saturday night outfit, with sexy seams on the back of her black tights

All-black ensemble: She showed off her legs in a pair of thigh-skimming black shorts, coupled with an oversized black T-shirt with leather sleeves

Leggy: She added height to her frame with a pair of black pointed, patent heels with a T-bar strap

Beauty: Sky Sports presenter Kirsty Gallacher looked equally stylish in a black satin trench coat and heels

Party time: Arriving at the hotel, she looked ready to let her hair down with a few drinks

Fun-loving: Zara looked in great spirits as she stepped out for her Saturday night, smiling non-stop

Lovebirds: It looks like Zara's husband Mike Tindall, 37, was at home for the evening

Late night: The friendly crew stayed out until 2am before heading home to their beds, but it looks like they enjoyed the evening while they were out

Beauty: Zara looked absolutely gorgeous for her night out, her make-up flawless as ever

Just chillin': The 16th in line to the throne enjoyed a night off from parenting and royal duties

Having a laugh: The royal looked to be having a whale of a time as she partied with her pals

All smiles: The equestrian didn't look to stop smiling the whole time she was out

Night off from training: Zara is hoping to compete in the Rio Olympics next year with her horse High Kingdom

Glam: Zara accessorised with a black clutch bag - ensuring her belongings were kept close to her - along with a gold watch and stud earrings

Beer lover: It's not known how many beers she had but sources say she was downing them 

You taking to me? The royal looked a little taken aback by what one of her pal's said

Best time: Zara looked slightly dramatic as she pulled her arms out in front of her friends

Saturday night fever: Zara threw some shapes as she danced at the table

Beauty: Her blonde bob hairstyle was neatly straightened, tucked behind her ears to frame her face

Focus: Topping off her look was a gothic-black manicure, her wedding band and engagement ring from husband Mike on full display

Making a face: The pretty royal pursed her lips as she chatted to her famous pals in the hotel

Celebrating: It looks like the group were having a night off after Kirsty wowed the judges with her Viennese Waltz

'We're inspired': Natalie shared a picture of her and Zara showing off their dance moves earlier in the evening

'Our team': Kirsty and Zara are close pals thanks to their sporting backgrounds

Royal connection: Zara is the daughter of of Anne, Princess Royal, and her first husband, Captain Mark Phillips, but holds no official royal title

Where's Kate? Zara is the cousin of Prince William, as well as being godmother to his son to Catherine, Duchess of Cambridge - Prince George 

Deep in thought: The mother-of-one appeared pensive as she relaxed on her night off