Miami Heat's karaoke night included Bosh dancing the Carlton, LeBron rapping to "Back That A$$ up," and a trio singing Backstreet Boys

Need a good laugh? Every year, Shane Battier holds a charity event called "Battioke" that includes some memorable (and some you wish you had never seen) singing and dancing moments.

This year, some of the highlights included Chris Bosh singing Tom Jones' "It's Not Unusual" and dancing like Carlton from "Fresh Price of Bel Air," LeBron James and Michael Beasley rapping to "Back That A$$ Up," Greg Oden, Shane Battier, and Ken Jeong (from "The Hangover") singing "I Want it That Way" by the Backstreet Boys, and more that will either make you chuckle, or make your ears and eyes bleed.

Videos courtesy of PageQSports and Hot Hot Hoops, h/t Deadspin

Chris Bosh: "It's Not Unusual" 

LeBron James & Michael Beasley: "Back That A$$ Up"

Shane Battier, Greg Oden, & Ken Jeong: "I Want It That Away"

James Jones & Norris Cole: "Holy Grail"

LeBron, Dwyane Wade, & Udonis Haslem: "Blurred Lines"

Chris Bosh does the Humpty Dance

Miami's Big 3 ruin one of my favorite Jodeci songs from the 90s

This is why LeBron should never be a back-up dancer