They never officially called time on their relationship.’ Hmm!
Well maybe the pair are finally about to rekindle what they once started?
But it wasn't such a romantic setting as it looked - her mother Joan Callaghan was also in attendance.
An insider told the Mail: 'After posing for pictures with fans, Cheryl joined Will who was visibly happier to have her there with him, and even spent some time talking to her mum, who came to watch her perform.'Cheryl's mum obviously got on with Will, so she seems to approve of the friendship.'Since recording Cole's debut solo album in Los Angeles last year, Will has frequently spoken of his admiration for the Girls Aloud singer. She ain't even the sort of girl that's out there flaunting it or anything like that, she's a real good girl.'Will, who first struck up a friendship with Cole when she contributed vocals to his 2008 single Heartbreaker, said he is 'here whenever she needs me'.
While Cole was spotted partying with Will after their first London concert together on Wednesday, she headed straight home after her performance last night.
Cole and Will were spotted drinking cocktails and dancing together until the early hours at the Indigo nightclub at the O2.
In a recent interview, he hit out at her estranged husband Ashley Cole for allegedly cheating on his wife. magazine: 'I just still can't believe Cheryl was ever cheated on. He said: 'If she's in New York, I'll get on a flight to see her, if she's in Los Angeles, I'll get on a flight to see her - I'll even come to London.
I mean, what has to be going through your head to cheat on Cheryl? If she needs me she knows I'm there, no excuses.' Since Cole joined the Black Eyed Peas as their European tour support in Dublin last week, they have been the target of teasing by his bandmates.
Black Eyed Peas rapper Will.has made no secret of his crush on Cheryl Cole, naming her 'the most beautiful woman in the world'.
But after the Girls Aloud singer dismissed any chance of romance between the pair, he didn't waste much time before looking elsewhere.
The rapper made a surprise appearance on stage during Cole's 30 minute support set before his group's headline concert.