New Bar Rafaeli Lingerie Shot!

courtesy Rampage

Ahhh ... we know why Leo keeps going back to Bar!

Rafaeli shows off her curves in a second season of Rampage clothing line ads. And check this out ... she was posing at Paris Hilton's former home!

Bar says of the new line: "Rampage’s spring collection is amazing. The flirty dresses, fabulous swimwear and great shorts are perfect for warm weather, parties and weekends. I can’t wait to wear all of the new styles!"

Hey, they pay her to say it!