Jessica Simpson had a surprise reunion with ex-husband Nick Lachey, Us Weekly can confirm. Simpson, 45, and Lachey, 52, were on the same flight from Los Angeles to Hawaii late last month. "They actually did say hello, and it was a nice, cordial conversation," a source told Us. TMZ was first to report the news on Monday, April 6, claiming that Nick's wife, Vanessa Lachey, and Simpson's estranged husband, Eric Johnson, were also on board. Simpson and Nick became the it couple of the 2000s after they started dating in 1999.