Who'd You Rather?

Former "OC" starlet Rachel Bilson, 29, and "Superman Returns" blonde Kate Bosworth, 27, both feigned interest at the same event in L.A. this week.

Living, breathing pop icon Cher, 64, and incessant platinum blonde diva Christina Aguilera, 29, both kept a straight face at the premiere of their new film Showgirls 2 "Burlesque" in L.A. on Monday.

Manicured former child star Joey Lawrence, 34, and former "Beverly Hills, 90210" star Ian Ziering, 46, compared beauty secrets at the same event in Beverly Hills this weekend.

Boy bands of yore New Kids on the Block and Backstreet Boys are joining forces to pay their bills go on tour together.

Pop hunks Ricky Martin, 38, and Enrique Iglesias, 35, both performed at the Latin Grammys in Vegas on Thursday.

Former "American Idol" blonde contestants turned country singers Carrie Underwood, 27, and Kellie Pickler, 24, both put on extravagant gowns at the same event in Nashville on Wednesday.

Little blonde country darlings Taylor Swift, 20, and Miranda Lambert, 27, both twanged at the same event in Nashville on Tuesday.

"Unwritten" singer Natasha Bedingfield, 28, and former "Hills" star Lauren Conrad, 24, both wore a lot of makeup to the same event in NYC on Monday.

Blonde pop stars Shakira, 33, and Ke$ha, 23, both purred for the cameras at the MTV Europe Music Awards in Madrid on Sunday.

"Pirates" hunk Orlando Bloom, 33, and the new "Hulk" Mark Ruffalo, 42, hugged it out at the same event in Beverly Hills this week.

Supermodel Heidi Klum, TV host Maria Menounos, stylist Rachel Zoe and actress Debra Messing all flashed their smiles as best they could at the same event in Beverly Hills on Thursday.

Dressed in different shades of green, "127 Hours" starlets Amber Tamblyn, 27, and Kate Mara, 27, both attended the film's Beverly Hills premiere last night.

Wearing matching fur coats -- fraternal twin sisters Ashley Olsen (24) and Mary-Kate Olsen (24) shared the spotlight while attending some fashion thingy last night.

While showing off their incredible tans -- dancers Maksim Chmerkovskiy, 30, Evan Lysacek, 25 and Tony Dovolani, 37, grinned for a photo while attending an after-party for "Dancing With the Stars."

"Jersey Shore" fist pumper Jwoww and "L.A. Ink" tat princess Kat Von D hit up separate events on the East Coast this weekend.

Eddie Cibrian's ex-wife Brandi Glanville, 37, "The Real Housewives of Beverly Hills" star Adrienne Maloof, 49, and Donald Trump's ex-wife Marla Maples, 47, joined forces at the same event in L.A. this week.