Rihanna and Drake: Back together?

PARIS, Feb. 26 (UPI) -- Rihanna made a surprise appearance Tuesday night during Drake's concert at the Palais Omnisports de Paris-Bercy in France.

The "Pour it Up" singer, who just turned twenty-six last week, joined Drake on stage to perform their 2011 hit, "Take Care." MTV reports that the pair's obvious chemistry and sexy dancing caused the sold-out crowd to go wild. Drake sang his portion of the song while looking into Rihanna's eyes, and the two briefly grinded together before he initiated a dance-off during the song's interlude.

Last night's duet is one of several reasons that some believe the on-again, off-again couple is back on. TMZ reports that Rihanna and Drake had dinner on Sunday at Paris's famous L'Avenue restaurant, and that Rihanna was spotted again at Drake's Monday concert. The two apparently both stayed at the same hotel that night after hitting up a Parisian nightclub together.

Drake admitted in 2011 that Rihanna broke his heart, but has recently said that the two are just friends. He told E! News on Valentine's Day, "I think about it. Like, 'Man that would be good.' We have fun together. She's cool... but we're just friends." At the same time, Drake admitted that he does consider Rihanna "the ultimate fantasy."

Watch a video of last night's performance here.

[MTV] [TMZ] [Elle] [E! News]