Shar Jackson Wishes Kevin Federline the Best with Baby No. 5

You couldn’t blame Shar Jackson if she weren’t overly enthused about her former boyfriend and baby daddy, Kevin Federline, expecting another child with yet another woman.

What is surprising is that actress-singer has nothing but good wishes for the man who once left her for Britney Spears, and who is now set to have a fifth child – with girlfriend Victoria Prince.

PHOTO: Kevin Federline Loses Weight

He’s not exactly in back-up dancer shape again, but Kevin Federline definitely appears to have a shed a few pounds thanks to his work with Celebrity Fit Club.

Britney Spears’s ex-husband, who joined girlfriend Victoria Prince and his four children for a movie outing Sunday near Los Angeles, is toiling in celebrity boot camp along with Bobbi Brown, Kaycee Stroh and Federline’s other ex, Shar Jackson, for the show’s seventh season, which premieres Feb. 14 on VH1.

Shar Jackson Gets a Birthday Hug from Kevin Federline

Among Shar Jackson’s guest list for her 32nd birthday party: family, friends and Kevin Federline.

The father of four – including two children with Jackson – was at Las Vegas’s Blush Nightclub on Friday helping his ex celebrate, and even giving her a birthday hug.

“We were friends before we were a couple and we’re always going to be friends,” Jackson told PEOPLE at Wynn Las Vegas before entering the party. “We have two amazing kids together. Kevin is my boy.”

Shar Jackson: Kevin's 'Like My Best Friend'

With all that’s going on in Kevin Federline’s life, his ex Shar Jackson says that the One Tree Hill actor is doing “fabulous” and focusing on what’s important.

“He’s being daddy,” she told PEOPLE at Tuesday’s “Chevy Rocks the Future” green event at Walt Disney Studios in Burbank.

Shar Jackson: K-Fed 'Happy the Boys Are Safe'

Shar Jackson says her ex, Kevin Federline, is holding up well during the ordeal with Britney Spears.

“He’s good,” Jackson, 31, told PEOPLE on Thursday at the GBK luxury suite in the Beverly Hills Thompson Hotel. “I talked to him the other night and he’s fine. He’s just happy that the boys are safe. That’s his biggest thing, making sure that the boys are in a good place and that they’re happy. And they’re happy.

Shar Jackson Lends Hand with K-Fed's Boys with Britney

Embroiled in an ongoing custody battle with ex-wife Britney Spears, Kevin Federline nevertheless is trying to see that all four of his offspring get along, thanks to a helping hand from former girlfriend Shar Jackson.

Jackson, 31, has two children – Kori, 5, and Kaleb, 3 – with Federline, 29, and says that she watches Preston, 2, and Jayden James, 1, who are Federline’s kids with Spears, 25.

K-Fed Is Shar Jackson's Father Figure

"Maybe he wasn’t a great boyfriend, but he was an amazing dad."

•Shar Jackson opens up to Extra about her former boyfriend and the father of her two youngest children, Kevin Federline

Shar Jackson Wins MTV's Celebrity Rap-Off

Finding rap success in a way that ex Kevin Federline might envy, Shar Jackson was crowned last celebrity standing on MTV’s Celebrity Rap Superstar – beating out Playboy Bunny Kendra Wilkinson.

“I couldn’t believe it. I just knew Kendra had it since she was definitely a favorite.” Jackson told PEOPLE exclusively, “It’s hard to beat a Bunny!”

Jokes aside, Jackson reveled in the surprise victory: “I looked up at my kids and the look on their faces made me tear up. They were so proud of me.”

Shar Jackson Gives Britney Spears a Bum Rap

Shar Jackson isn’t a musical superstar just yet, but she is ready to take on Britney Spears, the ex-wife of her own ex-boyfriend, Kevin Federline.

Performing as Shar J on MTV’s Celebrity Rap Superstar, Jackson gave a spirited performance on Thursday night of “Let It Blow,” a rap she wrote herself.

Details emerge about Federline boys' birthday party

TMZ has an exclusive photo taken from within the dual birthday party recently held for 2-year-old Sean Preston and 1-year-old Jayden James Federline.  According to the site, Kevin Federline hosted ex-girlfriend Shar Jackson and the boys’ siblings Kori, 5, and Kaleb, 3, at the fete, in addition to the boys’ maternal grandparents