Floral outfits, fanny packs, Hawaiian necklaces, oh my. ... This quick Halloween costume is easy and clever. Dress up in geek chic, and then stick on a bunch of Smarties rolls. 18.

The Easy Dress: Ann Taylor Cutout Back Dress, $80; The Roomy Jeans: Pistola Ryder Cuffed Jeans, $178; ... Bright colors are a fixture in Hawaiian outfits, and this sunny hue is the perfect choice.

See ahead for 15 outfit ideas to stay stylish this summer. ... This linen off-the-shoulder dress looks easy-breezy, but the bag really levels up the outfit — plus it serves an important function.