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Lady Gaga’s look is always evolving—and so is her hair! InStyle rounded up 25 of her most outrageous hair moments, including the yellow ombre strands she rocked at the 2010 Grammy Awards, the soda can curlers she wore in her “Telephone” music video, and the hair bow that started it all. Click through to see some of Gaga’s hair highlights, and then take a look at her 25 hottest hair moments here.

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What a rollercoaster week it’s been for the American Idol cast—no one got sent home! And they got down with Motown! The show keeps surprising us, which is why we caught up with American Idol costume designer Soyon An (inset) to get the inside scoop on the looks the lady finalists wore on this week’s episode. From Pia’s classic black silhouette to Thia’s babydoll party dress to Naima’s wild belly-baring look, to one of the girls’ secret cowboy boots, find out all the details about the clothes straight from the costume designer herself in the gallery.

PLUS! All American Idol Style News!

Camilla Belle enjoyed a spring break in Miami at the grand opening of Juicy Couture’s new South Beach outpost, where she browsed the inventory before taking a turn behind the DJ booth. In New York City, Rumer Willis‘ off-Broadway debut became an extended-family affair when mom Demi Moore, dad Bruce Willis and stepfather Ashton Kutcher all showed up to cheer for her. And Whitney Port, Brittany Snow and Vanessa Hudgens kicked off the weekend a little early at the Nylon anniversary bash in Los Angeles.  See more from last night’s parties in the gallery.

1. Taylor Swift wore a dress by Topshop in London, and it could be yours for $98! [MTV Style]

2. Katie Holmes designed a bag with Valextra. She even carries one herself! [PeopleStyleWatch]

3. Leighton Meester’s go-to bargain beauty product? Cocoa butter for $0.99. [Stylelist]

4. Tea Leoni will star in an upcoming HBO comedy series about New York’s fashion world. [FashionEtc]

5. HauteLook’s wedding sale will feature dresses under $300. The sale kicks off this Saturday! [Racked]

6. Gaga goes country! The singer released a special version of her hit “Born This Way.” [JustJared]