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The is underway—and the stars are off to the races!
NBC commentators Tara Lipinski and are back for the fourth time since 2014, wearing some of their boldest looks yet. , , , and walked the red carpet, as did a capella supergroup Pentatonix. The late 's mini-me, Dannielynn Birkhead, also made an annual appearance.
The annual event, now in its 144th year, is being broadcast on NBC and the NBC Sports app.
See which stars traveled to Louisville to watch the race:
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Dannielynn Birkhead & Larry Birkhead
The daddy-daughter duo are dressed to impress in Nick Graham and Lesy looks.
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Ty Burrell
Just imagine what Phil Dunphy would have worn!
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Aisha Tyler
The former Talk co-host is the talk of the town!
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Taylor Kitsch
The Friday Night Lights veteran embraces his southern roots.
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Richard Lawson & Tina Lawson
...but where is Beyoncé?
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Victoria Justice
This fascinator is hardly for the birds!
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Johnny Knoxville
The daredevil's Jackass days are behind him.
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Cassandra Jean & Stephen Amell
The Arrow star's look is right on target.
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Laila Ali
The boxer is a knockout, as always.
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Tara Lipinski & Johnny Weir
As if these two would turn down the chance to dress up!
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Tom Colicchio
The Top Chef judge trades his chef's hat for a homburg.
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Kid Rock
Who's ready to rock the red carpet?
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Dylan Dreyer
Today's forecast: flowers. And lots of 'em.
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Pentatonix
The a capella group looks aca-mazing.
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Joey Fatone
It's gonna be May, indeed.
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Alvina Stewart & Anthony Anderson
They're off to the races!
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Travis Tritt & Theres Tritt
Giddy up! It's time for the race to begin.
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Graham Elliot
The only thing sharper than his knives is his outfit!
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Jason Witten & Michelle Witten
The football player trades his jersey for a dapper suit.
(E!, NBC and NBC Sports are all members of the NBCUniversal family.)