In what became the most talked about moment of the entire awards, the 41-year-old actor threw what appeared to be serious shade at the singer after she bumped into him while accepting her award for her role in American Horror Story: Hotel.
As RadarOnline.com previously reported, Gaga's fiancé, Taylor Kinney, 34, approached DiCaprio after the show at the Fox Hulu after-party, letting him know in a non-confrontational sort of way that he should apologize to her for his "rude and unprofessional" behavior.
Surprisingly, Kinney's words had an impact!
According to a source very close to the 26-year-old "Born This Way" singer, "Leonardo made good on this later that night, when he apologized to her and Taylor at the CAA after-after party at the Sunset Tower Hotel."
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"They all partied there all night long and laughed it off," the insider told RadarOnline.com. "Leonardo said that this was the last time he would drink before the award show." He told reporters that his reaction was simply honest surprise.
"Gaga actually is quite happy about this whole thing now," the source continued. "That little incident got so much pickup that it only made her win that much bigger!"
Do you think that Leonardo DiCaprio needed to apologize to Lady Gaga for his kneejerk reaction? Tell us your thoughts in the comments.