In June 2008, Lachey joined the Broadway company of Monty Python's Spamalot as Patsy, the faithful manservant to King Arthur and stayed with the show for three months.
Lachey was a celebrity dancer on the second season of Dancing with the Stars with professional dance partner Cheryl Burke.
Since 98 Degrees, Lachey made a guest appearance on Hollywood Squares in 2001, performed on Broadway as Mark Cohen in the musical Rent from January 3 to March 21, 2005, and has also had several guest appearances on Nick's MTV show Newlyweds: Nick and Jessica.
Lachey, for his part, announced on July 15 via Twitter that he and wife Vanessa are expecting their second child together.
The morning show host posted a photo of their son Camden, 2, and a heart in the sand which read, "It's a girl," with the caption, "Can't think of a better way to celebrate 3 years of marriage to my beautiful @Vanessa Lachey than this!
Lachey forked over .15 million for the 7 bedroom, 10 bath…
READ MORE Nick and Vanessa Lachey got EXACTLY what they asked for when they listed their Encino crib ... The couple listed the 6 bedroom, 8 bathroom mansion back in April ...…