Amanda Bynes might currently spend her days lusting after Drake on Twitter, but her taste was much different just five years ago. Though it's now just a footnote in her cheek-studded existence, the actress raised eyebrows in 2008 for dating Family Guy creator Seth MacFarlane, who is 12 years her senior.
But Bynes and MacFarlane — whose quiet courtship came to a quiet end shortly after they started dating — are hardly the only surprising celebrities who hooked up. Click above to see our gallery of 20 stars you forgot dated! (Even if you'd like some to remain forgotten — ahem, Michael Jackson and Tatum O'Neal.)