Friend to foe: Reports claim Lenny Kravitz is dating Cynthia - the wife of his friend, Yankee baseball star Alex Rodriguez

News of the Rodriguezs' split just comes just two months after Cynthia gave birth to their second child, a daughter named Ella.

A source close to Alex, the world's highest paid sportsman, told the New York Daily News: 'It's true. They've been having problems for about three months.'

Alex, 32, only spent a few days with his 34-year-old wife in Miami after Ella's birth, before returning to New York.

New York Yankees third baseman Alex Rodriguez with his wife Cynthia and daughter Natasha during a baseball match

After Cynthia was spotted outside Kravitz's Paris apartment earlier this week, prompting reports she had become involved with the rocker.

Kravitz, 44, has vehemently denied the allegations, insisting he is supporting Cynthia as a friend.

He tells American magazine Us Weekly: 'There is absolutely no affair between Cynthia Rodriguez and myself.

'This is unequivocally 100% per cent not true. Cynthia is a friend and is here with the godfather of her baby, who is also Alex's trainer, his wife and their baby girl.

'She came here to escape from everything happening in New York City. I opened my home to her as a friend and I find it extremely hurtful that I am now being referred to as an adulterer.'

During his 20 year pop career, Kravitz has been linked to a string of stunning celebrities, including Nicole Kidman, Kylie Minogue, Natalie Imbruglia, Vanessa Paradis and Devon Aoki.