She's usually the most reserved of the Kardashians and dubbed the boring one by her sisters.
But last night Kim Kardashian really let her hair down as she celebrated her impending nuptials in style at her hen party in Las Vegas.
The 30-year-old reality star partied up a storm at Tao nightclub, where she was joined by scantily female dancers - and treated to a striptease from a dwarf.
Party girl: Kim Kardashian let loose last night as she celebrated her hen do in Las Vegas
Getting her boogie on: The reality star drank shots as she dance the night away at Tao nightclub with her sisters, mother and friends
She also quaffed champagne and downed shots along with her sisters Khloe and Kourtney and mother Kris Jenner, while enjoying cakes and drinking through straws in the shape of certain male body part.
Meanwhile her husband-to-be Kris Humphries was also celebrating at his stag do in the nearby Lavo nightspot.
Kim broke with tradition by gatecrashing her fiance's bash to steal a secret kiss.
Raising a toast: The TV star holds a shot in hand, watched on by her friends LaLa Vasquez Anthony, Brittny Gastineau
Racy: Kim poses next to her cake, with a gaggle of scantily-clad female dancers seen in the background
Despite vowing to stay apart on their bachelor/ bachelorette weekend, 30-year-old Kim couldn't resist paying him a visit, stopping by at around 2am.
There she joined her basketball player fiance in his exclusive VIP corner for 10 minutes, before departing and leaving him alone with the boys.
Kris was supported by Kim's brother Rob, as well as Kourtney's other half Scott Disick, Khloe's husband Lamar Odom and several other NBA players.
Kim looked immaculate in a low cut beige leather dress, which she teamed with peep toe heels and all the accessories, including a tiara and a sceptre.
Girls together: Kim was joined by her sisters Khloe, left, and Kourtney, right, and mother Kris Jenner
Kinky: The reality star remained in good spirits at her party as she was entertained by a dancing dwarf
Queen of the night: Kim wears a tiara and a a red sash saying 'Bachelorette Tao' while her mother, wearing a regal purple dress, watches on proudly
It was a riotous evening for the usually-sensible star, who had arrived in style, flying in on one of The Palazzo Las Vegas private jets.
The party started with dinner in Tao’s private dining room as Kim donned a bachelorette sash and tiara for a feast of her favourite dishes.
In the middle of dinner she was surprised as Mighty Mike, a dwarf clad in sequinned trousers, vest and a bow tie, who hopped up on the table to entertain the room full of women.
The group toasted with Midori cocktails and then made their way to the nightclub, taking over several tables on the dance floor.
Naughty but nice: Kim later shared a kiss with fiance Kris Humphries after gatecrashing his stag do in nearby Lavo Nightclub
Here come the boys: Meanwhile Kourtney's other half Scott Disick, left, Khloe's husband Lamar Odom, right, and Kim's brother Rob joined Kris at the bachelor party
Speaking to her guests, Kim said: 'My sisters are doing everything they can to embarrass me,' People.com reported.
Other VIPs at the party included her friends LaLa Vasquez Anthony, Brittny Gastineau and future sister-in-law Kaela Humphries, who joined 20 or so other party guests.
In the club star struck fans clamoured to get close to the group, snapping photos with their mobile phones. Kim then got on the mic, telling the crowd: 'This is one of my last few weekends as a single girl!'
New Jersey Jets player Kris, meanwhile, looked cool and casual in a white T-shirt and blue denim jeans as he partied with the boys.
High five: Kourtney laughs with Kim's friend, reality star Brittny Gastineau, as they group partied away until 2am
All partied out: Kim readjusts her tiara as she mingles with the crowd of guests
For the boys, the night started at The Venetian with cocktails. Later in the night Kris and friends dined on the terrace of Lavo's Italian restaurant, overlooking the Las Vegas Strip, before moving upstairs to the club.
The pack guzzled drinks while singing along to the music - but stopped for a breather when Kim made her surprise appearance.
Kris looked taken aback at first to see his bride-to-be, but greeted her with a kiss before picking her up for a smooch in front of the whole club.
Dancing queens: Kourtney, looking great in a red dress, dances with Brittny and LaLa Vasquez Anthony, centre
Throwing some move: Khloe wore a high-waisted black skirt and an animal print top, topping the look off with bouffant hair while Kim, right, struts her stuff on the dance floor
He was also surprised with a cake with his picture and the words 'Property of Kim Kardashian - FOR LIFE ,' which caused his friends to tease him and poke straws into the sweet treat.
The pair continue with their respective celebrations tonight, with all the proceedings being captured on camera.
Basketball star Kris surprised Kim by proposing to her back in May, spelling out 'Will you marry me?' in rose petals on the floor of her bedroom at her Beverly Hills home.
The ring was 20.5 carats and cost in the region of $2m.
They are set to tie the knot on August 20 and are likely to have the wedding filmed to broadcast on U.S. channel E! which airs Keeping Up With The Kardashians and the spin-offs from the hit reality show.
Snap happy: LaLa holds a camera as she captures the proceedings of the night
How does my hair look: Khloe checks her hair still has some bounce
