"House Of Derion" catwalk show
A model walks down the runway at Beyonce Knowles and her mother Tina Knowles launch of their clothes line "House Of Derion" at Selfridges in London on September 17, 2011. UPI/Rune Hellestad
A model walks down the runway at Beyonce Knowles and her mother Tina Knowles launch of their clothes line "House Of Derion" at Selfridges in London on September 17, 2011. UPI/Rune Hellestad