Joe Biden is in the dog house ... with his 12-year-old granddaughter.
While speaking at the National Conference on Mental Health, the vice president revealed that "Silver Linings Playbook" star Bradley Cooper recently caused some family friction. "I just want you to know, he caused me great pain recently," Biden told conference attendees.
Turns out when the VP was in Brazil to meet with the country's president, his granddaughter, who was with him on the trip, informed him that the star was staying at the same hotel they were in.
"She said, 'Pop, you're his friend, right?' " Biden told attendees. " 'Pop, you ought to call him. ... We have a very big suite. You should have him down like you do other people! Like presidents and things!' "
Biden tells tale of granddaughter's affection for actor CooperPlay Video
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The vice president and the actor had met back in February, when Cooper -- who plays a man with bipolar disorder in "Silver Linings" -- went to the White House to discuss mental health issues.
When the VP failed to set up the meet-and-greet between the actor and his young fan, he said his granddaughter let her disappointment be known.
"Well, Bradley, somehow, we're going to have to make up for this. You owe me!" Biden joked. "My standing with my granddaughter has plummeted."