Nicki Minaj is celebrating her first US number one album with 'Pink Friday'.

The rapper, who released 'Pink Friday' last year, has finally reached the number one spot in the US after 11 weeks on the Billboard Chart.

Minaj celebrated the news over her Twitter: "PINK FRIDAY is the #1 Album in the United States of America!!!!! *faints* thank u sooooo much for the continued support!"

The album has now sold over 1 million copies and features new single 'Moment 4 Life'.

'Pink Friday' includes a number of collaborations with Eminem, Kanye West and Rihanna.

Meanwhile, Nicki Minaj has admitted that Lil Wayne is a lot 'nicer' now he has stopped taking drugs and drinking.

(by Holly Frith)