Hugh Hefner's girlfriend Kendra Wilkinson says their relationship is "changing".

The 23 year old - who lives with Hugh, 82, and his other girlfriends Holly Madison and Bridget Marquardt in the Playboy mansion in Los Angeles - stopped short of denying reports their romance is on the brink of collapse, only saying she found the rumors "sad."

Jennifer Aniston has flown to the UK to be with her new boyfriend John Mayer.

The former 'Friends' actress - who has been dating the musician for around three months - arrived at London's Heathrow Airport this morning and will accompany John on his tour.

Jennifer Aniston and John Mayer have jetted to Mexico for a romantic holiday.

The couple - who made their first official public appearance last week - flew to Punta Mita on Friday to stay at Casa Aramara, the home of 'Girls Gone Wild' creator Joe Francis.