by Free Britney at

Mad Men star January Jones welcomed her first child on Tuesday, People confirms.

Xander Dane Jones and the new mom are both "doing great," January's rep says.

Jones, 33, announced the pregnancy in April, but chose to keep the sex of her baby under wraps, remarking "it's going to be a surprise for me."

Her Golden Globes

Also unknown to anyone but January and one other person? The father, who is rumored to be a married man. "She’s really looking forward to this new chapter in her life as a single mom," her rep said earlier this year.

In any case, congratulations to the actress!

[Photo: WENN.com]

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by Hilton Hater at

January Jones is pregnant.

The Mad Men star, who was most recently linked to Jason Sudeikis, didn't reveal the identity of her baby daddy, but her rep did release a statement that reads:

"January Jones is happy to announce that she is expecting her first child this fall. She's really looking forward to this new chapter in her life as a single mom."

Mad Men Woman

Mad Men premieres its fifth season on AMC in early 2012.

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