See Will Arnett's Incredible Abs in Up All Night Promo

Even although his nine - year marriage to Amy Poehler is ending, Will Arnett has never ever looked better !

The actor, 42, showed off his sculpted arms and 6 -packs abs whilst shooting an Up All Evening promo with his costar and on- display wife, Christina Applegate, 40, in West Hollywood August 11. "Will appears truly good ideal now. Everyone is speaking about lower he is," a source tells Us Weekly. "He's been functioning out and his skin is actually excellent."

In spite of separating in early September, a source near to Arnett and Poehler told Us "they have a lot of respect for every other," and an additional insider known as their split " really amicable." Indeed, Arnett and his sons, Archie, 3, and Abel, two, were spotted attended Poehler's 41st birthday party in excess of the weekend.

Even nevertheless, the couple's sep aration shocked each good friends and fans alike. "The previous few months have been rough for them," an insider told Us, "but I never feel any person in their circle noticed this coming."

Poehler is at present promoting the sixth season premiere of Parks and Recreation, however she hasn't nevertheless been asked to address her current separation. The Saturday Night Live alum is, on the other hand, happy to speak about her two boys with Arnett.

" I am quite rigid with them," she explained on the Ellen DeGeneres Present September 20. " I am big on manners and 'please' and 'thank you.'"

Amy Poehler and talk show host Ellen DeGeneres.
Cr edit score : Michael Rozman/Warner Bros.

Even nevertheless, "They are boys, so they're variety of insane," Poehler admitted. "Mothers come above with daughters and we have play dates. My home is a small insane -- everyone's variety of running around, jumping off furnishings. They will bring their daughters more than and the daughters will be like, 'Should we sit in the corner and cooperate?' My guys are like, 'I created chocolate soup.' They will just make dirt soup. And the girls are creating like a birdhouse out of natural and organic resources.  It's distinct."

Arnett's Up All Evening premieres September 20 at eight :30 p.m. EST on NBC, whilst Poehler's Parks and Recreation premieres on the exact same network at 9:30 p.m. EST.