Uber-glowy in pastels, our girl looks girly, sweet and springy as UK InStyle's March 2010 cover girl. Check out the photos from her shoot in this gallery!
Heads up, Nashville GG fans: Leighton Meester will be appearing in concert along with Tim McGraw and Gwyneth Paltrow at the Municipal Auditorium on February 2. The good news is, it's free. The bad news is, it's... not actually a concert.