London, Aug 31 (IANS) Singer Britney Spears, who has two kids with former husband Kevin Federline, now wants a baby with her fiance Jason Trawick.

The 29-year-old, who had sons Sean Preston, 5, and Jayden, 4, with Federline, has been wanting to get pregnant since she has got in shape for a new world tour, reports thesun.co.uk.

‘She’s (Britney) always wanted a big family and also wants to prove to herself and to her family she is a good mother. Now she’s finally had the green light from Jason, she can’t wait,’ said a source.