Awww, this enthusiastic new Dad is doing a good job being a homemaker--at least for two days at a time. Who is it? Click below to find out...

Pete Wentz held down the fort recently while wife Ashlee Simpson Wentz was off rehearsing for her upcoming Broadway stint in "Chicago".

Wentz got a relief from diaper duty last night, however, when he DJ'd at the American Eagle Store in Times Square, as the opener for Leighton Meester.

[Image via Getty].