There are some very big reasons for Katy Perry's phenomenal success ... in concrete at the premiere of The Vladar Company's Jeremy Scott: The People's Designer in Hollywood on Tuesday night.

Nina Westervelt/Variety via Getty Katy Perry may not have made it to the ... herself into a walking chandelier with help from Jeremy Scott, then-creative director of Moschino.

“Jeremy is just a big kid with a wild imagination.” For proof, look no further than Katy Perry’s Scott-designed Moschino costumes for Super Bowl XLIX in 2015.

Katy Perry has pulled off some pretty unreal looks ... Perry memorably transformed herself into a walking chandelier with help from Jeremy Scott, then-creative director of Moschino.