Kelly Osbourne and Lady Gaga’s feud is over… Pink and Gwen Stefani will never set up a play date… Chris Brown dumps Karrueche Tran… Ellen DeGeneres breaks a record… and Oscar winners and losers

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The long-standing feud between Kelly Osbourne and Lady Gaga is officially over. They had agreed to call a truce late last year, but they hadn’t come face-to-face until last night, when they ran into each other at Elton John’s Oscar viewing party. After Kelly criticized one of Gaga’s outfits on Fashion Police, several aggressive Little Monsters started sending her death threats. With Gaga’s stance against bullying, Kelly thought she should’ve told her fans to back off, but she remained silent. Then back in October, Gaga tried to say she was sorry by giving Kelly a birthday cake through her mom, Sharon. But Kelly shot it down, saying it was all a publicity stunt. The next day, she tweeted, “I acted like a child last night. Just not into publicity stunts call me & we will end this like adults I don’t want 2 fight anymore.” Whether the phone call was made or not, they seemed to be fine last night. Kelly posted a picture on her Instagram with her hands around Gaga’s neck, captioning it, “Peace at last.”

RadarOnline is reporting a mommy feud between Pink and Gwen Stefani! A source says Pink suggested she and Gwen get their kids together for a play date and Gwen shot her down. It wasn’t just a polite no, either. The source says Gwen sent an email saying a play date with their kids is happening “not now and not ever.” What is up with that???

A judge has ordered Chris Brown to spend another couple months in anger management rehab. At his progress hearing on Friday, we learned that Chris suffers from bipolar disorder and PTSD, we assume from watching his mother suffer abuse at the hands of his father. And while Chris is focusing on getting his issues under control, he’s also refocused his energies on getting Rihanna back. Word is, he started texting RiRi on her birthday and they’ve been texting non-stop ever since. So once again, Karrueche Tran has been kicked to the curb.

Ellen DeGeneres decided to break a record for the most retweets of all-time. Before last night, the record belonged to a picture of President Obama and his wife Michelle hugging on the night he won re-election. It had 780K RTs. So Ellen gathered Meryl Streep, Jennifer Lawrence, Julia Roberts, Kevin Spacey, Bradley Cooper, Brad Pitt, Angelina Jolie, Lupita Nyong’o and Jared Leto for this epic photo — only Lupita’s brother jumped in and took up so much room that you can only make out Jared’s left eye. Pssht. But mission accomplished. @TheEllenShow got 1.3 million RTs in less than an hour, which “broke” Twitter for a little bit. As of this morning, it’s over 2.4 million.

Despite 10 nominations, “American Hustle” was shut out at the Academy Awards last night. “12 Years a Slave’ took the Oscar for Best Picture with Lupita Nyong’o winning Best Supporting Actress. Matthew McConaughey and Jared Leto won Best Actor and Best Supporting Actor awards for “Dallas Buyers Club.” Cate Blanchett won Best Actress for “Blue Jasmine.”