TMZ — Chris Pratt is UNBELIEVABLE!  You gotta hear him take the challenge and drop a verse from Eminem's "Forgot About Dre."  It's just insane.Chris -- who owns the theaters with "Guardians of the Galaxy" -- was on "The Whoolywood… more info

Stereogum — Parks And Recreation and recent Guardians Of The Galaxy star Chris Pratt was interviewed by the radio program Whoolywood Shuffle and talked about his appreciation for Eminem’s Slim Shady LP and Dre’s Chronic 2001, which he said he listened to eve... more info

Brooklyn Vegan — photos by James Richards IV Outkast / Kate Nash / Nas / Parquet Courts Besides Eminem on Friday, Saturday was heavy on hip-hop heavyweights. First up was Nas, who dedicated the first half of his set to his 1994 debut... more info

MTV.co.uk News — Stars team up during rapper's headline show at Lollapalooza... more info

Stereogum — As a little preview of their upcoming stadium tour that starts in a week, Rihanna joined Eminem on stage during his headlining set at Lollapalooza. The frequent collaborators performed “Monster” and “Love The Way You Lie” and, more surprising... more info

NME — Pair perform their two hits and 'Stan' before next week's joint tour more info

TMZ — Rihanna and her apparent BFF Eminem performed some of their hit songs together at Lollapalooza Friday night ... but the show stealing moment was their rendition of "Stan."It all went down during Em's headlining gig at the end of the first day of the�... more info

MTV.co.uk News — The talented Louisa Rose Allen on inspiring others, collaborating with Pharrell and being Slim Shady… more info

MTV.co.uk News — Slim Shady posted a snap of himself and RiRi at rehearsals for The Monster joint jaunt... more info

NME — The track is believed to have been recorded between 1988 and 1991 more info