Britney Spears and Kevin Federline are spending more time apart--but insist all is good with their marriage.

The two have been spotted partying separately, and even dancing with others.

Federline was spotted dancing with a "mystery woman" at L.A. nightclub Area on Oct. 20, according to Us Weekly. "They had their arms around each other briefly," a witness tells the mag.

"It's still an obstacle for him to balance family and partying," a "pal" of his told Us. "Kevin's gonna be Kevin. But Britney knows that."

Spears, for her part, hit Vegas clubs Pure and Tao with a gal pal Oct. 19. "he was dancing and twirling around,"a source told the mag.

Spears returned to L.A., but later in the month, the two were apart again: he was in Chicago to appear on WWE' Monday Night "AW" she checked into the Hotel Bel-Air.

But despite their separate lives, a "pal" tells Us, "They love each other no matter what."