Lucy Mecklenburgh shows off slim body (despite ditching the diet in Marbs) in stunning dress as Mario Falcone snogs his new girlfriend on TOWIE night out

Lucy Mecklenburgh may have ditched her strict diet during her time in Marbella but she showed off her incredible, slim body in a show-stopping dress for a night out with her TOWIE co-stars - including Mario Falcone and his new girlfriend.

Lucy Mecklenburgh looked incredible in this white dress for the last night out in Marbella with her TOWIE co-stars. …Despite probably feeling a bit uncomfortable about Mario's slightly over the top public display of affection, Lucy still managed to look absolutely incredible in her full-length asymmetrical white gown.

[Made in Chelsea blog: Lucy Watson’s top 5 grill moments]

Lucy, 21, has admitted that since being in Marbella she's relaxed her strict diet. She was snapped indulging in a burger, chips and side portion of cheesy pasta earlier in the week, and has taken to Twitter to admit she's fallen off the healthy wagon.

Mario Falcone was putting on a pretty impressive PDA with his new girlfriend, despite Lucy Mecklenburgh being around. …The TOWIE star said: "Last day in Marbs! :-( I have had a serious amount of carbs and cocktails! But soooo much fun!!"

[Lucy Mecklenburgh flaunts her body in a bikini]

[Mario Falcone all over new girlfriend during a day on a yacht]

But her indulgence in carbs and cocktails definitely didn't show in the white dress, which looked amazing with her natural tan for a final night out with her co-stars.

Lucy Mecklenburgh looked amazing despite ditching her strict diet in Marbella. Copyright [Rex]Mario Falcone brought along his new girlfriend, whose name remains unknown, but Lucy has revealed that Mario began seeing a 16 year-old shortly after they broke up in April.

Lucy Mecklenburgh revealed she wasn't looking forward to seeing Mario Falcone with his new girlfriend in Marbella. …She told new! magazine: "It's my little sister's best friend. It made me feel sick. And the fact that the girl has been round my house and is my sister's best mate. And what hurt me the most is that my sister got upset telling me, because she didn't want to hurt my feelings. The fact he was taking a 16 year old on dates reassured me I'd made the right decision."

It looks like Mario Falcone's new girlfriend may make an appearance on the Marbs special of TOWIE. Copyright [ …And whether it's the same girl or not, Lucy will no doubt have had to confront her ex and his new girlfriend - all of which will be captured on camera for the TOWIE Marbella special.

[Lucy Mecklenburgh dons best post-break up fashion]

Lucy recently revealed that she was nervous about seeing her ex again: "[The new series] is going to be hard because of Mario being on it too, but I was on it first and I do still enjoy it. I'm aware he's seeing quite a few girls. It's going to be hard to bump into him with someone else, but...it's going to happen sooner or later."

Celebrity Twitpics: Jessie J posed for this Twitpic which she posted alongside the caption: “Just woke up (NAT) and I've got bread head. Had to say I'd been asleep to make the joke work... I know I ... more 
Celebrity Twitpics: Jessie J posed for this Twitpic which she posted alongside the caption: “Just woke up (NAT) and I've got bread head. Had to say I'd been asleep to make the joke work... I know I know...” Quite the convoluted joke, Jess. Copyright [Instagram] less 
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Fri, May 24, 2013 15:00 BST