NEW YORK -- Nick and Vanessa Lachey are now on diaper duty.
They welcomed their first child, a son named Camden John, on Wednesday. He weighed 8 lbs., 9 oz., and measured 21 inches.
The Lacheys wed in 2011. Last month, 38-year-old Nick Lachey reunited with his band, 98 Degrees, on the Today show and in concert in Hershey, Pa. He also competed on NBC's reality competition show Stars Earn Stripes. Vanessa Lachey, 31, is a co-host on ABC's Wipeout.