VIDEO: Ashlee Simpson-Wentz's First Trip Away from Bronx

Ashlee Simpson-Wentz graced Jimmy Fallon's couch in New York City Thursday night, thousands of miles from her husband Pete and nine-month-old baby Bronx.

Click here for stunning pics of Ashlee at The Melrose Place premier

While the new mom and Melrose Place star seemed pretty stable away from her little one, she did indicate that it was papa Pete's first time caring for the baby solo.

"It's actually Pete's first time being home alone with him while I'm gone," Simpson-Wentz told Fallon.

"He's doing good, he's sending all these pictures."

Too bad he can't account for mother nature. Given the devastating fires tearing through Southern California, the couple's home lost power while Pete was on duty alone.

"Our house blacked out, but he managed to get through it," Jessica's younger sis said.

Watch the full clip above!