By now, we’re sure you’ve heard about R29 Reserve’s exclusive team-up with Rebecca Minkoff, but what you may not be savvy to is our one-day-only Tweet Sweeps to win a $100 voucher to spend on rad RM goodies! All you have to do is follow @refinery29 and retweet hashtag #MinkoffReserve with this link: http://bit.ly/R29Minkoff and you’re officially in the running. Two lucky R29 readers will win a $100 voucher to shop everything Rebecca Minkoff! Better hurry—sweeps ends tonight at 11:59 p.m. EST. Twi-hards, get to Tweeting!