From Elle Fanning's gown fit for a princess to the Glee girls' disco dresses, celebrities were all about adding imagination to their fashion this week. While not every star got to put on a costume, each found their own whimsical way to brighten up their style. See the dreamy pictures from this week, and follow POPSUGAR Fashion on Instagram , Facebook , and Twitter !
The singer's shorts featured a flock of flamingos.
It was denim on denim on denim for Miley and Jay Leno .
How'd you celebrate your last birthday? Elle feted her sweet 16 with a party fit for a princess.
The singer got ready to tackle a new hobby: football!
These electric blue shoes were the perfect pop of color.
The singer kept warm in a flaming top.
Lea and Dianna Agron  turned the halls of William McKinley High into Studio 54.
Even the stylist's toys are designer.
Someone couldn't keep their paws off this Chanel bag.
Emma sported squares on her shirt and triangle earrings, but her favorite shape was a heart.
The singer gave her fans a shout-out with her sweatpants.
The birthday girl's calendar added a bit of timely sparkle.
Of course Sophia rolls out of bed looking this good!
The actress had us swooning for her black and gold footwear.
Her dress may have been blue, but Sarah was all smiles while posing with John Stamos.
The singer's onstage style was all about flash.
The Modern Family actor showed off a slithering pinky ring.