Gossip Girl star Blake Lively continues to amaze.

The 21-year-old actress looks pretty sensational in a one-piece swimsuit in this photo shoot that recently popped up. We know that "one-piece" and "sensational" create an oxymoron, but take a look. Something about it** just does it for us:

** - It's the fact that she's drop dead gorgeous.

If you haven't seen Blake on her TV show, Gossip Girl, you really should check it out. Not only does it feature this beautiful young actress - sometimes in even more revealing clothing! - but the show can actually be pretty entertaining.

In the meantime, click to enlarge these Blake Lively swimsuit photos ...