Emma Watson
has been working it ... and working out!

On Tuesday, the "Bling Ring" star attended GQ's Men of the Year Awards where she flaunted some amazing abs.

The 23-year-old donned a Balenciaga Resort 2014 top and slacks for the red carpet event held at the Royal Opera House in London, and wore her hair parted to the side and pulled back.

The "Harry Potter" actress wasn't only a winner on the carpet, she took home the GQ Woman Award.

Skin was definitely in -- Jessie J (right) also flaunted her midriff, and "X Files" star Gillian Anderson looked the best we've ever seen her in a black halter gown, sporting lighter locks. Does she ever age?

The ladies weren't the only stunners on the red carpet, Justin Timberlake, Elton John and Pharrell Williams also looked quite dapper at the GQ event. 

Pharrell was the night's performer, while Elton took home the Genius Award. Overall, it was a star-studded ceremony -- click "Launch Gallery" above to see all the red carpet shots!

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