Wilmer Valderrama is officially off the market. He proposed to model Amanada Pacheco on New Year's Day after only 8 months of dating. "That '70s Show" star famously dated Demi Lovato for 6 years before calling it quits in 2016. Following the singer's overdose in 2018, Wilmer Valderrama rushed to her hospital bedside and fans were hoping they'd rekindle their romance. Now, Lovatics everywhere are devastated over his engagement news and are reacting to his Instagram post with negativity.