"Paris Hilton has penned a 'sorry' note to ex best friend Nicole Richie in a bid to end their fall-out.
The multi-millionaire heiress wrote the letter to her 'The Simple Life' co-star after mutual friends persuaded her to put a stop to their "petty" row. .
A source close to the blonde revealed: "Paris just wanted to call things a day after friends stepped in and told her she was being petty" ."I hope this means they're going to make nice for the cameras so that WB or NBC will buy the show...I think the Simple Life has the capacity to be even more brilliant now that Nicole is prettier/better dressed. [femalefirst.co.uk link]