Refresh for updates: 20th Century Fox’s CinemaCom presentation didn’t start with opening remarks by domestic distribution president, Chris Aronson, rather Vanilla Ice, who rapped his hit single “Ice Baby” to an Ice Age sizzle reel with a femme dance crew behind him. Aronson then came on stage, decked in a big pompadour wig and a glitzy Vegas satin get-up that would be the envy of Elvis Presley. “Now that’s what I call a cold open, word to ya mother!” said Aronson to great…