Diana is about to become one.
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Ivy and Nate, or Charlie and Nate, in a shot from the sixth episode of Season 5.
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Chuck and Blair in a photo from "I Am Number Nine."
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Always, B. Always.
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You gotta admit, that's a pretty good nickname.
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Always up to no good.
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A shot from "I Am Number Nine," the sixth episode of Gossip Girl's fifth season.
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Gossip Girl Season 5 Episode 6 Quotes

Chuck: I'm sorry for losing my temper the night you told me Louis proposed to you. I'm sorry for not waiting longer at the Empire State Building. I'm sorry for treating you like property. I'm sorry I didn't tell you I loved you when I knew I did. Most of all I'm sorry I gave up on us when you never did.
Blair: Thank you.

They say the road of life is long and winding. So it's important to mark the milestones along the way.

Gossip Girl