In Los Angeles, the pop singer took the stage at 61st annual Grammy Awards to collect the honor for Best Pop Duo/Group for the song "Shallow", her duet with her director and costar.
On Twitter earlier in the night, the singer joked that she was "not gonna be able to wear any makeup tonight" because of her joy-filled tears. "He's over in the United Kingdom, I know he wants to be here, Bradley, I love singing this song with you".
Songstress Alicia Keys, a 15-time Grammy victor, is set to host Sunday´s ceremony - the first woman to do so in 14 years.
Michelle Obama stole the show at the 61st Grammy Awards without singing a note.
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During one of her Las Vegas residency shows last month, Gaga brought the show to a complete stop while performing "Million Reasons" to deliver a message to Trump during the partial government shutdown at the time. "I love you. Thank you so much to the Grammys".
This year's show exhibits some efforts to combat these diversity issues - the academy, which The Times reported has invited 900 new members to vote, expanded major categories from five to eight nominees.
"So if you see someone's that hurting, don't look away", she also said in her remarks.
When asked about the lack of women in the top categories at the 2018 Grammys, Recording Academy CEO Neil Portnow said women need to "step up".
Heading into music's biggest night, rap artists Kendrick Lamar and Drake topped the nominations, with eight and seven, respectively. "I support her and I support her decision", she added. A study released by the University of Southern California's Annenberg Inclusion Initiative days before the ceremony found that of the 899 individuals who had been nominated for the previous six shows, 90.7 percent were men.
Hosted by 15-time Grammy victor Alicia Keys, this year's broadcast features performances by Lady Gaga, Shawn Mendes and rapper Cardi B. Yolanda Adams, Fantasia and Andra Day will honor the late Aretha Franklin with a performance.