Six days later I'm back at the Estrada home for a photo shoot - and another meal.

CNN: DAYS OF THEIR LIVES

The two young women hopped on a train and headed over there, and set to work creating what Saniewska says became Lady Gaga's first photo shoot, although Saniewska didn't know that at the time.

CNN: Before she was Gaga: The unseen photos

They were a black velvet and beaded gown worn for a Vanity Fair photo shoot by Mario Testino at Kensington Palace in 1997, and a burgundy crushed velvet gown the princess wore to the film premiere of "Back to the Future" in 1985.

NPR: Iconic Princess Diana Dresses Fetch $1.2M In UK