It's not everyday that an artist has an opportunity to takeover New York's Madison Square Garden. On Tuesday, Lupe Fiasco, N.E.R.D, Rihanna and the "No. 1 human in music" -- aka Kanye West -- rocked MSG during the New York stop of the Glow in the Dark tour.

In an effort to make sure Mr. West doesn't spazz on us, we at the BoomBox decided to steer clear of saying anything that would anger the "Great One," even though we're a little disappointed that the rap star never actually glowed in the dark during the 60 minute set ... but I digress. Instead, we decided to mention Rihanna's hot performance and new partner in crime Chris Brown.

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When given the special privilege to jam at the Garden, Rihanna decided she would wrap up her set with her biggest hit and one of the hottest songs of 2007, 'Umbrella,' while pulling a Jayonce (Jay-Z and Beyonce's names combined) and bringing out her "friend" Chris Brown. RiRi and Chris Breezy's underwhelming 'Cinderella/Umbrella' performance will surely spark even more rumors of the pair's alleged secret romance, but one thing's for sure ... the two are definitely one of the hottest "we're not really dating" couples of the year.