Haim Saban

More than 1,100 people were killed in Israel on October 7th, leaving countless children without a mom or dad ... and while those kids attempt to rebuild their lives, Floyd Mayweather, Tyler Herro, and Michael Porter Jr. have stepped up in a big way. TMZ Sports has learned the boxing legend, as…

Simon Cowell's dignity has a price -- $1 million -- because that's how much someone paid to get him to sing the "Power Rangers" theme song ... in front of a giant crowd of rich people ... and TMZ has the hilarious video. Here's what happened: Simon was attending a fundraiser for Friends of the…