Showing off her slimmed-down figure in a red lace dress, red pumps and a red hat, the country crooner strikes a pose on the carpet.
The Arrow star suited up in a blue suit and brown shoes for the event.
The figure skating duo made waves when Weir stepped on the carpet with his over-the-top hat topped with a pegasus.
Oprah Winfrey's BFF hit the carpet with her daughter, with the duo adding a colorful touch to the event with their multi-colored dresses.
The former View host brought her pup along to the Derby, striking a pose in a sequin-embellished yellow dress and a bold hat.
The Fall Out Boy frontman's pregnant girlfriend showed off her baby bump in a flowy cream halter dress.
The Two Broke Girls star looked like an Old Hollywood starlet when she hit the carpet in a belted dress, black and white sun hat and white heels.