The pair ended their marriage in 2010 and finalized their divorce in January 2011 following Parker's public sexting scandal with Erin Barry, the wife of his former Spurs teammate Brent Barry.
The 30-year-old star was joined at the event by Taylor Kinney, Zachary Levi, Evan Ross, Ashlee Simpson, and daughter Jagger along with Brooke Burke-Charvet, husband David, and daughter Heaven.
A former drug addict who admitted to sexual “experimentation” in college, Stacy Ann Ferguson, better known as Blackeyed Peas lead singer Fergie, credits God and her faith for getting back on track.
Duhamel has had his missteps as well, once posing nude and rumored to have cheated on his wife with a stripper (He has denied the affair but admitted to going to the strip club.).
Back in June 2013, Parker hinted that the twosome were headed to the altar.
While telling a fan what he likes to do during his downtime, he tweeted: "Spend time with my fiance." PHOTOS: Hollywood's ugliest divorces Parker was previously married to actress Eva Longoria for three years.
The couple, who were married in a Catholic ceremony, seem to have settled into married life with their son Axl (who was recently baptized in their parish).
Later that year, he won the role of Leo du Pres on the ABC soap opera All My Children.
His work on the show, especially his character's pairing with Greenlee Smythe (portrayed by actor Rebecca Budig), garnered critical acclaim.
In 2000, he posed fully nude for Greg Gorman's "As I See It" photography book.
PHOTOS: Celebrities dating athletes Parker, 31, and the French journalist announced they were expecting a baby last October.
"Hey just wanted to say that I'm very happy today," the NBA player tweeted at the time.