Watch Rihanna's New Video with Maroon 5

Rihanna teamed up with Maroon 5 to record If I Never See Your Face Again (watch above) – but Tuesday night she made sweet music with her beau Chris Brown . Brown jumped on stage to duet with Rihanna while she performed Umbrella at Madison Square Garden in NYC. At the end of the song the PDA-shy couple hugged. Rihanna, 20, and Brown, 19, have insisted they're just pals. "We're just friends... We hang out," Brown said in February – the same month they were spotting kissing at Rihanna's surprise birthday party . They were later photographed cuddling in a Jamaican pool and most recently in http://www.usmagazine.com/rihanna_and_chris_brown_make_out_in_paris"> http://www.usmagazine.com/rihanna_and_chris_brown_make_out_in_paris"> http://www.usmagazine.com/rihanna_and_chris_brown_make_out_in_paris" target="_blank">Paris . Tell Us : Do you like Rihanna's new music video? [link]