The Saturdays star is delighted couple's 20-month-old Parker is going to have a brother, reported Female First.
"I found out (I was having a boy) at 12 weeks. Wayne and I always knew we'd find out. Wayne and I are both over the moon ... We're both pleased because Parker's a boy's boy, he likes rough and tumble and he will love having a little brother," she said.
When asked if there was any pang of disappointment she was not having a girl,Frankie, 26, insisted "not at all", but admitted Wayne, 34, is keen to try for a girl in the future.