The Mirror — Just 48 hours to go and stars in Hollywood put in a final dress rehearsal last night on the red carpet at the Grey Goose Oscars party last night before the Academy Awards proper this Sunday. more info

Pop Crunch — JLo takes on Barney on Monday’s episode How I Met Your Mother. The “Louboutins” singer guest stars as self-help guru Anita Appleby who sets out to tame Neil Patrick Harris’ womanizing Barney with a dose of manipulation and a hilarious game o... more info

Perez Hilton — The ad says it all - Jennifer Lopez is hot for Barney! Watch the promo above for the upcoming episode of How I Met Your Mother, guest starring J.Lo! Jenny from the Block plays a love interest of Neil Patrick Harris until she decides to teach NPH a ... more info

Rolling Stone — • News Ticker: Bonnaroo, Roots Picnic • Mayer Chooses Rock Over Drama at MSG • Behind Animal Collective’s Oddsac • In the Studio: Sara Bareilles • Iggy Pop Brings Punk Carnage to Carnegie Hall • Read Slash’s Love Letter to “My Miche... more info

411 Mania — J. Lo does her Rihanna impression on SNL... more info

411 Mania — J-Lo pulls double duty on Saturday night... more info

MTV.co.uk News — Jennifer Lopez proved she hadn’t lost her sense of humour at the weekend when she impersonated Rihanna as part of a comedy version of the We Are The World charity single.The curvy diva was... more info

Stereogum — Jennifer Lopez hosted and performed even though she doesn’t have an album or movie out anytime soon. She was the best part of a “We Are The World” parody, and a small part of the Smash Mouth sketch. Watch both at Videogum. more info

Idolator — “We Are The World 25 For Haiti” was filleted on Saturday Night Live this past weekend in a sketch where Quincy Jones (played by Kenan Thompson) offered up “We Are The World 3: Raising Awareness Of The We Are The World 2 Disaster.” In it, Jenn... more info

Rolling Stone — Saturday Night Live returned from its Winter Olympics hiatus this weekend with a killer sketch poking fun at the “We Are the World 25 For Haiti” single, where SNL cast members and guest host Jennifer Lopez assumed the guises of stars who didn’t... more info