American Idol 5 runner-up Katharine McPhee pimps out the latest Gilette razor — Gillette Fusion Power Phantom — at its unveiling at 7 World Trade Center on Thursday afternoon. The 22-year-old singer gladly helped two shirtless male models make good use of the razor. Check out even more pictures of Katharine and the male models!!

You can also check out Katharine McPhee’s performances at a soundstage inside Sony Studios from AOL Music Sessions, where she performs “Over It,” “Open Toes,” “Love Story,” “Home,” and “Each Other.”

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American Idol winners and “losers” turn up for music mogul Clive Davis‘ pre-Grammy party at the Beverly Hilton Hotel on Saturday night in Beverly Hills — Katharine McPhee, Taylor Hicks, Carrie Underwood, Jennifer Hudson, Chris Daughtry, and Mario Vasquez (below).

Jennifer Hudson performed “I Am Changing” at the pre-Grammy bash because, according to rumors, Whitney Houston backed out. Carrie Underwood performed two hit singles off her debut album, “Before He Cheats” and “Jesus, Take The Wheel.”

UPDATE :: Added pictures from Carrie’s performances!

Last season’s American Idol runner-up Katharine McPhee made her first late night talk show “couch interview” on Jimmy Kimmel Live on Wednesday. Her appearance on Larry King Live tonight has been rescheduled to tomorrow. Larry will instead be interviewing Anna Nicole Smith’s family in light of recent events.

Watch Katharine McPhee’s interview on Jimmy Kimmel Live here.

Pictured below: Comedian Dane Cook

Katherine McPhee didn’t look a touch off perfect as she kept herself busy busy busy today. Kat, 22, sat front row at the at the Isaac Mizrahi Fall 2007 fashion show during NYC’s Fashion Week and then later hit up Total Request Live to perform her hit single “Over It.” To top the day off, Kat sat front row at the and Marc Jacobs Fall 2007 fashion show. Busy, busy girl! Many more pictures after the jump!

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New York Fashion Week opened today in NYC’s Bryant Park with a splash of red! Supermodels and celebrities walked the Red Dress Heart Truth show, a charity runway show to raise awareness about heart disease.

Kelly Ripa wore a Diane von Furstenberg beaded wrap dress. Rachael Ray wore a Donna Karan one-shoulder goddess gown. Angela Bassett wore a Carmen Marc Valvo number. American Idol’s Katharine McPhee wore a shimmery Swarovski frock. Kristin Chenoweth wore a flirty Rebecca Taylor dress. Check out all the pictures after the jump!! (Images via Getty)

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American Idol’s Katharine McPhee (season 5 runner-up) also made a guest appearance on last night’s episode of Ugly Betty. Kat appears as herself and shows up for Mode Magazine’s runway show and signs her self-titled CD (out now) for Betty (America Ferrera) to give to her sister Hilda (Ana Ortiz). Check out the video of McPhee’s Ugly Betty cameo below!

Katharine McPhee has her album coming out this week and there are lots of upcoming appearances this week for her. Don’t miss any of them!

• Tonight: The Tonight Show w/ Jay Leno
• Tomorrow: Self-Titled Debut Album in stores!
• Wed, 1/31: The Today Show
• Thurs, 2/1: Regis & Kelly
• Thurs, 2/1: Guest Stars on Ugly Betty

Katharine McPhee did a recent interview with morning radio show hosts Brad Blanks. Watch it here. You can also check out her recent interview with People Magazine below! Other pictures are from McPhee posing for a portrait in Santa Monica, Calif., Monday, Jan. 15.

It was just announced that Katharine McPhee (last year’s American Idol runner-up ) will guest star as herself in an upcoming episode of Ugly Betty. Ugly Betty episode “I’m Coming Out” will air on the first day of February sweeps — Feb. 1! (Kat’s self-titled album will be released two days earlier on Jan. 30.)

This will also be the episode that the identity of the masked woman (Wilhelmina’s cohort) may be revealed — model/actor Rebecca Romijn.

Pictured: Katharine McPhee performing at the 118th Tournament of Roses Parade on New Years in Pasadena, Calif.