Simpson and Ross were spotted for the first time in July 2013, sparking rumors they were a new couple.
The new couple continued to fuel dating rumors when they were snapped holding hands while leaving the Sunset Marquis Hotel in L.A in July 2013.
The duo stroll hand in hand through LAX Airport.
Ross and Simpson attend a party for the Jessica Simpson Fall 2013 Campaign in NYC in July 2013.
The couple seems to enjoy traveling together.
Ross and Simpson hit a Hollywood party.
The blond beauty helps her man celebrate his birthday in August 2013.
Diana Ross' son and Jessica Simpson's sis pic up some goodies in Malibu.
Ross and Simpson go on a double date with Jessica Simpson and Eric Johnson.
The cuties only have eyes for each other.
The duo attend a November birthday party for Bronx at The Coop in Studio City, where Simpson's ex Pete Wentz was in attendance.
The couple attended the Catching Fire premiere together in November 2013 where Ross told E! News of their holiday plans, "We'll be here for Thanksgiving, and then Christmas we're going to stay where I grew up with my mother. We're bringing Bronx and Ashlee."
Ross and Simpson go shopping on Melrose over the holiday season.
The hubby and bride to-be announced their engagement on Jan. 13, 2013. "My baby love and I are ENGAGED!!! Hallelujah Hawaii !!!!!" the songstress wrote on Twitter with this pic.
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The two tie the knot at Evan's mom Diana Ross' estate in August 2014.
The happy couple shares a sweet moment just before arrival of their first child together, daughter Jagger.
Ashlee gave birth to daughter Jagger Snow in July 2015.
The lovebirds share a kiss on the carpet at the God vs Trump premiere in Hollywood in 2016.
Ashlee celebrates her 33rd birthday with her man by her side.
Ashlee, Evan and little Jagger hit the slopes during Operation Smile's Celebrity Ski & Smile Challenge in Utah.
The always fashionable couple look super stylish at a charity even in L.A.
Ashlee and Evan turn heads in colorful jackets at the CIROC Summer Colada Kick Off Party in Palm Springs.
The duo promote their upcoming E! series ASHLEE+EVAN at the NBCUniversal Summer Press Day in 2018.
We can't wait to see these two on ASHLEE+EVAN, which premieres Sunday, Sept. 9 at 1 p.m.!