Britney Spears has confessed that her biggest career regret was her short-lived TV show with then-husband Kevin Federline, however, she said that she doesn't regret dating Justin Timberlake.
The 'Work Bitch' hitmaker, who had filmed five episodes of the 2005 reality show 'Britney and Kevin', said that it was her biggest mistake in her career and that she would never do something like that again, Metro.co.uk reported.
The 32-year-old singer, who split with Justin Timberlake in 2002, said that their three-year romance was one of the best times in her life and it was a pretty carefree time for her.
Spears added that she still thinks that the best night of her life was when she was 22 years old spending time in Hawaii on New Year's Eve.
