MKR stars Ashlee and Matt look stressed as they do a demo in Perth

Kyle Sandilands slams MKR's Manu Feildel after they have a VERY heated interview on his radio show

Ashlee Simpson enjoys quality time with son Bronx Wentz... as ex Pete Wentz hits the tennis courts

Ashlee Simpson and husband Evan Ross lead the stars at the opening of The Hideaway in Beverly Hills