Leggy Kourtney Kardashian steps out with boyfriend Travis Barker

They have been inseparable since getting together in recent months. Woah mama: Kourtney Kardashian and Travis Barker were out again as they attended his step daughter Atiana De La Hoya’s star-studded PrettyLittleThing- The party, which was Kourtney looked simply sensational as she showed off every inch of her hard-worked figure in the plunging corset for the party She paired the boned top with the black mini which featured a slash nearly extending to her hip while she also sported perspex heels. Sizzling: The 42-year-old reality TV superstar looked phenomenal in a black cut-out corset and mini skirt with a perilously high asymmetric hemline while the Blink 182 star, 45, was in his trademark rocker garb in a vest and beanie Chatting away: The group chatted inside the party with his step-daughter, who is the child of his ex-wife Shanna Moakler and boxing legend Oscar De La Hoya Cheeky! Former love: Travis was married to Atiana's mom Shanna from 2004 to 2008 Partying up a storm: They were no doubt catching up at the party Stunner: Megan meanwhile was in a more casual look than her recent steamy red carpet styles as she sported ripped jeans and a mustard blazer Sexy: Kourtney looked simply sensational for the date night as she showed off every inch of her hard-worked figure in the plunging corset Stunner: The party was Chic: In a nod of the Kardashians' love of all things designer, she clutched an envy-inducing Christian Dior Saddle Bag Meanwhile Travis expressed support for his bandmate Mark Hoppus who recently revealed: 'For the past three months I've been undergoing chemotherapy for cancer.' They have made no secret of their steamy romance Hello, gorgeous: Earlier in the day, Kourtney showed off her bejeweled teeth in a string of sizzling snaps she shared with fans Looking fab: Kourtney flashed her megawatt smile for the camera in the photographs and playfully licked her teeth to throw the metal into relief When you got it: At one point she let her luxurious dark hair fall across her face and emphasized her cleavage in black and green lace lingerie Earlier in the day, Kourtney showed off her bejeweled teeth in a string of sizzling snaps she shared with fans.