A source told Life & Style: ''The relationship reached its peak. It was always casual. She had fun with Derek - he used to send her cute texts and sing to her - but she always kept her options open.''
The ''Dancing With The Stars'' hunk - who has previously dated Shannon Elizabeth and been linked to Cheryl Cole - recently dislocated his shoulder and needed cortisone shots to help him perform on Tuesday (October 12, 2011) and said he wishes he had a special someone to look after him.