The actor was previously involved in a Twitter feud with Riri after she reportedly shunned his request for her to meet with his then-fiancee Scottine Ross because she was a big fan.
Last week, while on Andy Cohen Wath What Happens Live, when sked if they had resolved their differences from three years ago, Charlie said
"Oh, that b**ch."When Andy noted he may have just made the situation "worse", he replied:
"No, she abandoned common courtesy and common sense."He now took to Twitter to apologize, writing
pardon my inane
let's have a drink someday
(on me) ....