Los Angeles: Pop star Lady Gaga has responded to Britney Spears` call for the pair to duet, saying "it`s time" for them to collaborate.
The singer tweeted her fellow US star saying the time is right for them to collaborate, after the `Work Bitch` hitmaker said she wanted to record a song with Gaga.
During a live fan chat to promote her new album, `Britney Jean`, the star said, "I would do a duet with Lady Gaga. I think that would be a lot of fun. I think she`s very different and interesting and intricate."
Responding to the answer, Gaga later tweeted 32-year-old saying, "Britney Spears let’s do it, its time.
Gaga previously teamed up with fellow US diva Beyonce on the 2010 hit `Telephone` but the pair ended up falling out after the `Single Ladies` hitmaker called her a "selfish egomaniac".