Erin Heatherton Met Leonardo DiCaprio’s Mom Already

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Photo: flynet

After their trip to Australia last month, Leonardo DiCaprio and Victoria's Secret model Erin Heatherton are now back in L.A. together. And they're apparently so serious that over the weekend, Leo introduced Heatherton to his mom Irmelin — a significant step in any relationship, but apparently this one in particular, according to the Post, which notes that "[Leo's mom's] approval is key to his relationships."