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Beauty queen Carrie Prejean and her husband, Oakland Raiders quarterback Kyle Boller, are expecting their first child together, the couple told FOX411.com in an exclusive interview.

“We are just so excited,” the three-months-pregnant Prejean told FOX411.com on Wednesday. “I’m due in May on my grandmother’s birthday. She recently passed away, so that’s very special to us.”

Boller, 29, and Prejean, 23, tied the knot in July and told us they started trying for a family about a month after their big day. They said the journey so far has had its challenges.

“I’m trying to stay healthy, but it has been tough. I’ve been getting night sickness,” Prejean said. “We’ve started thinking about names, but we are keeping it to ourselves for right now. It has been fun looking at baby books.”

The couple intends to find out the sex of their unborn child next week. Boller said he couldn’t be more ecstatic about becoming a father.

“I have the most beautiful pregnant wife ever, we are so in love and this was just the best news when we found out a couple of weeks ago,” Boller said, adding that they celebrated with a big hug and shed a few happy tears.

Prejean initially shot to fame in the Miss USA pageant in April 2009, when she voiced her stance against same-sex marriage during the interview portion of the contest. After a tumultuous few months in the media spotlight, the San Diego native, who was named first runner-up in the Miss USA pageant, was stripped of her Miss California sash over claims she failed to meet her contractual obligations.