In a statement to E! Online was related about a change in Federline and Spears custody, the mom Britney Spears stayed at home...with the kids! while Kevin Federline partied in Miami Beach this weekend.

E! News can confirm that Britney had a 12-hour overnight visit with her two sons Saturday night at her Los Angeles home.

According to the same source there was confirmed "The kids were picked up before noon on Sunday".

It was Britney's first overnight visit since Spears lost visitation with her kids following her infamous visit to the UCLA psych ward in January. Commissioner Scott Gordon, after being presented evidence that Britney's mental health has improved, modified the terms of her visitation last week to allow overnight visits.

Meanwhile, K-Fed picked up where he left off in Las Vegas two weeks ago and partied at Miami nightclub Mansion on Friday night. Federline, who's reportedly working on a new song tentatively titled, "Daddy's Home," was scheduled to return home to LA on Sunday.