The filing comes a day after Lawrence, 47, prepared the public for the bad news by telling People mag he and Shamicka had separated.
"Out of love and respect for one another we will continue to remain friends and raise our two beautiful daughters together," read a joint statement released by the duo who have two daughters, Amara, 11, and Iyana, 9.
Lawrence is seeking joint custody of the children.
There ought not be a big battle in this break-up affair: There's a prenup.
Lawrence, known for his comic skills (and his genius for performing in drag) in Big Momma's House and the TV show Martin, dated Shamicka for 15 years before marrying her in July 2010 in a quiet, intimate do at his Beverly Hills Home before a gathering of 120 intimates, including Eddie Murphy and Denzel Washington.
Lawrence has a daughter, Jasmine, 14, from his first marriage, to 1993's Miss Virginia USA Patricia Southall. In what may have set a pattern, the marriage died in 1997 before it could reach its second anniversary.
Some Fun Lawrence factoids
Big Break: Hosting the groundbreaking comedy series Def Comedy Jam.
Did You Know: In 1989, Lawrence was engaged to Saved by the Bell actor Lark Voorhies.