Feisty pop songstress P!nk has climbed the U.S. Billboard Hot 100 with her single 'Just Give Me A Reason', which features fun.'s Nate Ruess, and it's now at No.1.

The track has been out for some time, but has finally made it to the top spot in America giving her a fourth No.1 single in America.

She took to her official Twitter page earlier today (April 18) "Ha!!!!! Mama just got a Billboard Hot 100 #1!!!!!!!!!!!! What!?!?! Congrats to Nate and thanks to all my amazing friends and fans!!!! JGMAR!"

The song's official video, which was released 2 months ago, has since amassed just over 68.2 million views on video hosting site YouTube. 'Just Give Me A Reason' was confirmed at No.4 during yesterday's midweek chart update in the UK although the final positions will be revealed this coming Sunday.