From the celeb-filled iHeartRadio Music Awards to getting ready for tomorrow’s glamathon, the Met Ball, the fashion and celeb world have been celebrating and reminiscing over last year’s most stylish Met moments.

Just days ago, the world’s favorite bad gal, RiRi, stepped up to the iHeartRadio Music Awards podium to collect three honors for her contributions to the music industry. But her awards were not the only talk of the night; dressed in a sexy sheer black dress, the R&B star posed with JLo showing off their curvaceous figures together in skin-tight gowns. Scroll down to see the best Instagram moments of the night below.

Meanwhile, as the fashion world gears up for one of the most talked-about events of the year, the 2014 Met Ball, which takes place tomorrow; Cara Delevingne, Miley Cyrus, Katy Perry take a look back at their most stylish Met looks of the past. Plus, there’s a Carmen Electra surprise lurking in the gallery too!

And just for some added good vibes, we’ve found some wonderful Insta-snaps of Beyonce looking Ghetto fabulous by the pool, while Victoria’s Secret Angels Adriana Lima and Candice Swanepoel are pictured kissing Doutzen Kroes’ heavily pregnant belly!