It's a girl for actress Rachael Leigh Cook and her husband, Daniel Gillies.

"it's a girl. the tiny new empress of my everything. she's immaculate. we're delirious," the "Vampire Diaries" actor tweeted on Sunday.

"Perception" star Cook, 33, who rose to fame in the teen movie "She's All That," married Gillies, 37, in 2004. The two announced the pregnancy in May.

"Thanks for the love you guys," the actress Tweeted at the time.

Meanwhile, her husband added, "Thank you everyone. We are delighted."'

"I've been hiding my rapidly growing bump while shooting but this kiddo is vying for screen time," the actress told Us Weekly at the time. "We clearly have a future actor on our hands."

Added Gillies, "A lot of people are asking whether I'd prefer a boy or a girl. In truth, it doesn't matter to me - I just can't wait to meet little Keanu Robocop."