[h=1]Cheryl Cole's sexy lap dance for Ashley - that proves they're back together[/h] by Dean Piper, Sunday Mirror 3/07/2011 Decrease font size Increase font size Cheryl cuts the cake Cheryl Cole performed a sexy lapdance for ex-husband *Ashley Cole in front of guests at her birthday party – proving they are finally back together. Advertisement >> She openly kissed and cuddled her cheating ex in a display that left other guests lost for words. Then Cheryl, who has shunned the limelight since her dramatic sacking as a judge from X Factor USA, told a friend: "I'm the luckiest girl in the world. I've not been this happy for years." Thirty friends and family invited to her 28th birthday party at London's Sanderson Hotel were left in no doubt that Cheryl and surprise guest Ashley are back inlove from the *moment he turned up,finally confirming rumours their romance is alive again. One guest at the bash, which marked a fresh start for the Girls Aloud singer, said: "She threw her arms around him and gave him a passionate snog right next to her mum Joan. They spent a minute *embracing and all the guests couldn't help but turn to look. There's no doubt they're back in love. At one point she went for a cigarette, came back in, marched up to Ashley and *performed a sexy dance for him while he was sat down in front of her. "Then she flashed a huge grin, sat on his lap and they started kissed and *cuddling. They didn't care who saw them. Everyone was surprised by such a public display of affection." Fellow guest Tulisa Consto*stavlos of N-Dubz – Cheryl's replacement as a UK X *Factor judge and a close friend – said: "I really think Cheryl and Ashley stand a brilliant chance of making it work. They're different this time around – relaxed and happy. You can just see it. "Cheryl's in such an *amazing place at the minute with her life. She's not *working, she's had a proper break and she has a clear head.