The pop star wore white rosebuds on her shoulder along with a Time's Up pin.
Sarah started by using the new Marc Jacobs Beauty Shameless Youthful-Look 24-H Longwear Foundation SPF 25 in shade Y270 (available online February 9) to create a flawless canvas.
No outfit is complete without the flawless hair and makeup look.
"Gaga's eyes were inspired by a dark starry night. Romantic and striking", Tanno explained.
Christian, who represents the likes of Miley Cyrus and Justin Bieber at the Creative Artists Agency (CAA), was seen supporting Gaga, 31, at her Super Bowl Halftime Show performance in February, 2017 - the same month she confirmed their romance.
Next, she used the Marc Jacobs Beauty Eye-Conic Multi-Finish Eyeshadow Palette in Glambition on her lids, up to brow bone - it's a shimmery pink, so it gave her some feminine flair. The look was created by hair stylist Frederic Aspiras using John Frieda products. Her dramatic dress and its over-the-top train made a major statement (we'd expect no less from Mother Monster!), but it was her hair and makeup that really turned heads.