Nick Carter and Wife Lauren Expecting Baby No. 3 After Multiple Miscarriages

Surprise — Nick Carter and his wife Lauren are expecting baby No. 3!

In this week's issue of PEOPLE, the Backstreet Boys band member and the actress get candid about preparing for their third child after suffering multiple miscarriages throughout the years — and why this pregnancy is a complete (but pleasant!) surprise.

"I was fully set on just having two children and I had prepared for that and made arrangements for that," Lauren, 37, exclusively tells PEOPLE. "We were going to have two children and it was a surprise. I didn't find out I was pregnant till I was about five-and-a-half months pregnant. I didn't have any symptoms; I didn't have anything indicating that I was pregnant. One day I just — I felt something move in my body and I said, 'Nick,...