Madonna

Madonna is mourning the death of one of her closest friends, the famed interior designer, David Collins.

The 54-year-old diva was spotted at London's Heathrow airport on Friday wearing black. It is presumed that Madonna flew into town to attend the funeral of her dear friend, who also happened to design most of her homes.

David Collins was diagnosed with skin cancer less than a month ago and he died at the age of 58.

Right know it looks like Madonna is overcome with sorrow.