At the "Percy Jackson: Sea of Monsters" premiere on July 30, Logan Lerman, Alexandra Daddario, and Leven Rambin joined the Percy Jackson gang in Glendale, California. Alexandra wore blue, while Leven picked grey.

Alexandra Daddario sure knows how to pick a dress. She took the movie's title to heart and wore blue. The 27-year-old actress chose a DVF flutter-sleeve dress that combined floral print with sheer and scallop-patterned crochet details. With her dress, Alexandra demonstrated just how important a good fit is. The beautiful blue number showed off her small waist, with the scallop patterns creating an hourglass silhouette on Alexandra. Grey Jimmy Choo cap-toe pumps matched her outfit perfectly.

Leven Rambin is Clarisse La Rue in the movie, and she brought her a-game to the "Percy Jackson: Sea of Monsters" premiere. The 23-year-old Texan is on the right track. Her sleeveless Adeam dress, with its blue satin inserts and playful bustle made for a flattering look. Leven's towering heels - a pair of black, ankle strap Ruthie Davis sandals looked great with her dress. The "Hunger Games" actress added some glamour with her glossy, side-swept waves and beautiful makeup. This was definitely a good night for both Alexandra Daddario and Leven Rambin.

There was also a "Percy Jackson: Sea of Monsters" premiere at the Hamptons on July 28. Logan Lerman and Alexandra Daddario made a great looking couple. Alexandra wore a DVF dress in black lace, which she paired with black, peep-toe booties. This was a more sombre turn for the actress, who fares much better with vibrant colour. Selena Gomez's crush Logan Lerman, on the other hand, looked handsome in his checked tie and grey suit.

Start the slideshow to see Alexandra Daddario and Leven Rambin all dressed up for the "Percy Jackson: Sea of Monsters" premiere.

For more on Alexandra Daddario, read:

Alexandra Daddario at Giffoni Film Festival: Steal Her Style [SLIDESHOW]

For more celebrity style check out:

Lily Collins vs. Shailene Woodley: Bare Midriff Outfit Battle is On! [PHOTOS]

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