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The star is the latest celebrity to open an account and sends co-star Cameron Diaz happy birthday
Cheryl has joined the likes of Lady Gaga, Katy Perry and Victoria Beckham by joining the social networking site.
Cheryl's first tweet, said "It's me CC! WHERE MY SOLDIERS AT.......?!!! I can't believe what my fingers are doing but yes I'm tweeting :-s so here goes...X"
She later posted another message to wish Cameron Diaz happy birthday. Cheryl and Cameron are currently working together on upcoming film What To Expect When You Are Expecting, due for release in May 2012.
Her @cherylcole account already has over 200,000 followers and it's only been opened for a few hours.