Happy birthday, Jaimie Alexander: See 'SHIELD' guest star's short new haircut

jaimie-alexander-short-hair-birthday-gi.jpg Jaimie Alexander is having a busy week. Not only did she guest star on "Marvel's Agents of SHIELD" as her "Thor: The Dark World" character Lady Sif, but it's also her birthday -- the South Carolina-born actress turns 30 on Wednesday (March 12).

The brunette beauty changed up her look recently, chopping her bob into a gorgeous pixie cut, enhancing the actress' delicate features and highlighting her hazel eyes.

Check out the side-by-side comparison and decide which haircut you like better. (Spoiler: it's a trick question. They're both great.)

Photo/Video credit: Getty Images