The movie and TV star is expecting her first child with her husband "Vampire Diaries" star, Daniel Gillies, according to People. The couple, who tied the knot in August 2004, tweeted about the news and confirmed that she does, in fact, have a bun in the oven.
"Thanks for the love you guys," Cook tweeted, and her beau added, "Thank you everyone. We are delighted."
Cook currently stars in the TNT drama "Perception."
Congrats to the happy couple!