Boy Band, 98 Degrees, went on Bravo’s late-night talk show ‘Watch What Happens Live!’ Tuesday night, but it was Nick Lachey specifically who really turned up the heat when Andy Cohen asked him about ex-wife, Jessica Simpson. The singer said he hasn’t spoken to her in six years. Cohen also asked Lachey what the best thing is about not having Joe Simpson as a father-in-law, to which Nick responded by slamming him.