Best Arms: Women

Here, two award nominees go head-to-head—er, arm-to-arm.

Contender No. 1 (right): When this "Modern Family" mama snagged an Emmy, we couldn't take our eyes off her bulging biceps. Who is she?Julie Bowen.

Julie Bowen.

Contender No. 2 (left): Meanwhile, this Oscar-nominated actress' (for "The Help") best red-carpet accessory was her chiseled pythons at this year's Oscars. who she is?Viola Davis.

Viola Davis


Best Arms: Men

This is one muscle matchup not to be toyed with.

Contender No. 1 (left): Even as a member of the 40-plus club, he packs more muscle than most 20-year-olds. Who is he?ll cool j.

ll cool j
Contender No. 2 (right): But can he beat the guy who played the God of Thunder in "Thor"? who he is.Chris Hemsworth.

Chris Hemsworth


Best Shoulders: Women

From the looks of it, these busy moms never give working out the cold shoulder.

Contender No. 1 (right): Carrying around a 3-year-old helped this actress resculpt her shoulders (and wiggle back into an itty-bitty bikini) just five months after giving birth to her second daughter. Who is she? Jessica Alba

Jessica Alba
Contender No. 2 (left): This 45-year-old actress has a 4-year-old tyke on her hands. (The broken foot that caused her to cancel an appearance at this year's Oscars was even said to be the result of running after her daughter.) who she is.Halle Berry.

Halle Berry

Best Shoulders: Men

Just call it the action hero showdown.

Contender No. 1 (left): Our jaws dropped when this muscle-bound 40-something showed off his broad shoulders beneath those tiny wife-beaters in this mutant movie. Who is the actor?hugh jackman.

hugh jackman
Contender No. 2 (right): This actor, who first launched to fame for his role in "Friday Night Lights," is sure giving him a run for his money with his swoon-worthy upper half in his baring turn as John Carter. Who is he?Taylor Kitsch.

Taylor Kitsch


Best Abs: Women

These two musical ladies have middles that would make any model jealous.

Contender No. 1 (left): She's no stranger to baring her abs back in her native Barbados.

Contender No. 2 (right): Nor is this country crooner, who seemingly spent all winter clad in a bikini with her husband. Who is she? LeAnn Rimes.

LeAnn Rimes

Best Abs: Men

Welcome to the battle of the guys with the same first name and, apparently, a penchant for sit-ups.

Contender No. 1 (right): His abs surely helped him earn a spot in the movie "X-Men: Wolverine," which starred a contender for Best Male Shoulders. Most recently he fronted the Denzel Washington film "Safe House."Ryan Reynolds owns these abs.

Ryan Reynolds

Contender No. 2 (left): This actor's abs helped to drive him to the top of almost every hot-body list – and surely won him more kudos in his shirtless performance in "Crazy, Stupid, Love." Who is he?ryan gosling.

ryan gosling


Best Back: Women

It's A-OK if these beauties turn their backs on us.

Contender No. 1 (right): Even when technology transformed her into sci-fi princess Neytiri in "Avatar," this actress' sexy back took centerstage. Who is she?Zoe Saldana

Zoe Saldana
Contender No. 2 (left): She morphed into a crazy girlfriend in "How to Lose a Guy in 10 Days," but with her backless yellow dress, co-star Matthew McConaughey's character couldn't stay away. Who is she?Kate Hudson

Kate Hudson


Best Back: Men

The actor vs. the athlete.

Contender No. 1 (right): Surely if we were part man, part wolf and walked on all fours, our backs would be as chiseled as this "Twilight" star's is. Who is he?Taylor Lautner

Taylor Lautner
Contender No. 2 (left): He's the man who perfected the butterfly stroke in the Olympics and has the muscles to match. Who is this winning athlete?michael phelps

michael phelps


Best Butt: Women

Contender No. 1 (right): One wedding-planning woe this newly engaged actress won't have: slimming down for the big day. We can't get enough of her supertoned bod. who she is.Jessica Biel.

Jessica Biel
Contender No. 2 (left): And though this actress didn't find marital bliss with her hoops star ex-hubby, there's nothing desperate about her divine derriere. Who is she?Eva Longoria

Eva Longoria


Best Butt: Men

Contender No. 1 (right): The spy he portrays has a license to kill, and his taut tush has a license to thrill.who owns this butt?Daniel Craig

Daniel Craig
Contender No. 2 (left): However, this actor has come a long way from the chubby kid we saw in "Stand by Me." Even though his 2011 TV series "The Defenders" flopped, his assets are as firm as ever. Who is he?Jerry O’Connell

Jerry O’Connell



Best Legs: Women

What would "American Idol" host Ryan Seacrest do if he had to choose between the gorgeous gams of an "Idol" princess and the endless stems of his lady love?

Contender No. 1 (left): She's an "American Idol" princess-turned-megastar who can work cowboy boots and daisy dukes just as well as sequins and stilettos. Who is the stunning singer?carrie underwood

carrie underwood
Contender No. 2 (right): The triple-threat singer-dancer-actress is the longtime girlfriend of Seacrest, a former "Dancing With the Stars" pro, the star of the recent "Footloose" remake and the headliner of the upcoming movie rendition of Broadway's "Rock of Ages." Who is the leggy blonde?Julianne Hough
Best Legs: Men

Contender No. 1 (right): He danced his way into our hearts in "High School Musical," but trailers for his latest movie, where he plays a U.S. Marine, have left us chomping at the bit. who he is?Zac Efron

Zac Efron
Contender No. 2 (left): He's a tough contender, and with an insurance policy reportedly in the millions, he has two of the most expensive limbs in the business. Who is this athletic man?David Beckham
David Beckham