Gossip Girl star Leighton Meester plays Blair Waldorf, who is best known for being the Queen B of the Upper East Side high school clique and the object of Chuck Bass' love.

Now that she is the low person on the totem pole, and actually has Chuck by her side (as opposed to just pursuing her), things will be different for Blair in Season Three.

What does that mean for this great character's development this season?

Here's what Leighton has to say about Blair, Chuck, Georgina and more ...

[video url="http://www.gossipgirlinsider.com/videos/leighton-meester-interview-august-2009/" title="Leighton Meester Interview: August 2009"][/video]

There is plenty more where these Gossip Girl spoilers came from.

Follow the jump to hear from Leighton's fellow cast members Penn Badgley (Dan), Michelle Trachtenberg (Georgina) and Jessica Szohr (Vanessa) to see what's up ...

[video url="http://www.gossipgirlinsider.com/videos/penn-badgley-interview-august-2009/" title="Penn Badgley Interview: August 2009"][/video]

[video url="http://www.gossipgirlinsider.com/videos/michelle-trachtenberg-interview-august-2009/" title="Michelle Trachtenberg Interview: August 2009"][/video]

[video url="http://www.gossipgirlinsider.com/videos/jessica-szohr-interview-august-2009/" title="Jessica Szohr Interview: August 2009"][/video]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.