The 31-year-old singer ' who is married to motocross racer Carey Hart ' is 12 weeks pregnant, and is 'really happy' with the news.
A source said: 'She's 12 weeks along. She wanted to do it between tours, when she has some time off.'
The pop star ' real name Alecia Beth Moore ' broke up with Carey in 2008 but the pair reconciled in 2009, and the couple are believed to be stronger than ever.
The source added: 'Pink was determined to make the relationship solid. Now she's really happy, and she's excited she got pregnant so fast! She'll be a brilliant mother.'
In recent days the singer has posted a number of posts on twitter hinting at a change to her usual pop star lifestyle.
She wrote: ' got so much done today. i feel completely capable of domesticity. how long will this last til' i'm climbing the walls? we shall see. (sic)' She also said: 'Thinkin about hibernating for winter. (sic)' Pink has previously revealed she would love to have a child, saying earlier this year she couldn't wait to have a baby.
She said: 'At this point, we're still trying not to, but I can't wait to not try not to."
