Summer is almost over, but sun-kissed makeup is still going strong. Shimmery, mica-flecked lip gloss is all the rage right now -- from frosted toffees to twinkly pinks. The great news? These sparkly shades really wake up tanned skin, so be prepared to dazzle! From Keri Hilson to Eva Marcille, here are our favorite shimmery-lipped A-listers.