They grew up together on-set, with her real-life mom playing his on-screen dad's psychiatrist, and now OK! has exclusively learned that after years of keeping their relationship quiet, 22-year-old Sopranos star is getting serious with Stella Keitel, 21, the daughter of Lorraine Bracco (who plays Dr. Jennifer Melfi on the show) and actor . Not ones to flaunt their love, Stella will probably go the premiere of the Sopranos final season with her mom, but OK! has learned she'll be leaving with Robert - all with her mom's seal of approval.
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