Original sentence: Remix featuring Ludacris.Remix featuring R.Remix featuring Red Café.The Original Remix of "Birthday Sex" features Singer-Songwriter and Producer R.The Song can Be heard on YouTube.There has been Talking about this one is Really The Original Remix, but Truly it Ain't, but it's the most known one.There is Also a Remix with rapper Ludacris.This Remix could also be Heard on YouTube