Nick Lachey & Vanessa Minnillo Are ENGAGED

Nick Lachey and Vanessa Minnillo are going to make it official.

The couple released a statement to Us Weekly:

"We're excited and incredibly happy about our engagement and we look forward to a wonderful future together."

A source tells Us, "They're so happy, doing great. Thrilled about it."

Nick and Vanessa have been together since 2006. Just a couple of weeks ago they had an awkward run-in with Nick's ex-wife, Jessica Simpson, and her boyfriend.

A source tells Popeater that Jessica is "deeply saddened" by the engagement news.

Vanessa recently talked about how she and Nick shower together twice a day.