Celebrity Grammy '09 Quick Changes: Vote! Glam on the red carpet, funky onstage – which style was hottest? Vote on Joe Jonas and more! By Melissa Liebling-Goldberg By People Staff Published on February 8, 2009 08:00 PM Share Tweet Pin Email Trending Videos 01 of 07 JOE JONAS Steve Granitz/WireImage; Mark J. Terrill/AP The singer hit the red carpet with his brothers in a Versace tuxedo, but got casual on stage, alongside Stevie Wonder, adding a David Yurman bracelet and Avakian necklace to his vest and T-shirt. 02 of 07 TAYLOR SWIFT & MILEY CYRUS Kevin Mazur/WireImage; Jeff Kravitz/FilmMagic The best friends arrived in coordinating black gowns – Hervé Léger for Miley, Kaufman Franco for Taylor – but changed into casual tunics and skinny bottoms for their duet on "Fifteen." 03 of 07 CARRIE UNDERWOOD Kevin Mazur/WireImage; Lucy Nicholson/Reuters/Landov The Grammy winner sparkled on the red carpet in her beaded Zuhair Murad gown, but showed off her incredible legs in a chiffon-sleeved minidress while performing "Last Name." 04 of 07 JENNIFER HUDSON Larry Busacca/Getty; John Shearer/WireImage The singer was perfectly chic on the red carpet in her pleated RM by Roland Mouret dress, amping up the sparkle in her clinging black dress for her performance of "You Pulled Me Through." 05 of 07 KATY PERRY Kevin Mazur/WireImage; Lucy Nicholson/Reuters/Landov The typically cheeky singer wore an elaborate pink gown from Lebanese designer Basil Soda for her arrival, but got the crowd rocking with her fruit-themed mini, custom-designed by The Blondes for her performance of "I Kissed a Girl." 06 of 07 ESTELLE Chris Pizzello/AP; Steve Granitz/WireImage The British singer looked to the future for her hard-edged silver dress on the red carpet and her jeweled metallic mini while performing "American Boy" with a coordinated Kanye West. 07 of 07 M.I.A. Chris Pizzello/AP; Mark J. Terrill/AP The very pregnant star showed off her funky style with a bold blue Manish Aurora dress, matching Christian Lacroix for Gola sneakers and Erickson Beamon jewelry. For her performance, the rapper chose a see-through House of Holland dress and more Erickson Beamon earrings.