Vince Vaughn announces his wife is expecting their second baby

has announced that he is to become a dad again. Speaking to

actor

revealed that his wife,

, is expecting the couple's second child."That's right. We are expecting our second child," said

when

asked if he had some exciting news to share."This is the first time I've said anything," he added. "Yeah, we're very excited."

, who already has daughter Locklyn, 2, with actor

is due to give birth to the couple's new arrival on 5 August.After dating

actress

for between 2005 and 2006

found love with Canadian estate agent

.  Minneapolis-born

proposed to

on Valentine's Day, confessing "I figured this is not a ship to be missed because I will not forget this date. So Valentine's Day was the day that I asked her."