Simpson told USA Today, "I’ve been very picky on how I want everything to look and feel. [But] we are very close to sending out our invites."
The wedding is sure to be a "big event," Simpson promised. "Eric’s family alone is almost 90 people!" she noted.
The singer and NFL player announced their engagement in 2010 and have two children, Maxwell, 2, and Ace, nearly 1.
Fashion mogul Jessica Simpson, who looked fabulous at the White House Correspondents' Dinner on Saturday night, says she and fiancé Eric Johnson are almost ready to tie the knot.