It's Imogen in bloody Wonderland
She arrived at the do last night with new boyfriend Adam Horsley, 26 — who seemed to opt for a vampire theme.
Imogen seemed happy with her choice of outfit, tweeting: "I love my costume. Undead alice...thank u @Escapade_UK its fabaduppaaaaaaaa! X"
The former BB star, who paired her dress with thigh-high white socks and a blonde wig, joined a host of celebs at London's Cuckoo Club.
Many left looking worse for wear — including Peter Andre's ex Elen Rivas, who toppled over several times outside.
Devil is in the detail ... Elen Rivas, in a wench dress, seems to trip over paving slab
XposureThe former Dancing On Ice contestant had arrived at the party with WAG Lizzie Cundy and was dressed as a pirate wench in a red and black outfit and hat.
Birthday girl Caprice flaunted her toned stomach in a cheerleading outfit, complete with red pom poms.
Cheer we go ... birthday girl Caprice and Duncan James
She turned heads as she posed for photographers with Blue's Duncan James, who donned a Roman-style toga.
Socialite Tamara Beckwith arrived on husband Giorgio Veroni's arm in a skin-tight leopard jumpsuit that showed off her killer curves.
Party animal ... Tamara Beckwith and Georgio Veroni
Big PicturesNot everyone covered up as much as she did. One sexy reveller wore nothing but a snake, a corset and nipple tassles on her ample chest.
Fancy undress ... half-naked reveller with snake