|Nick & Lindsay|
|Age (at audition)||38 & 33|
|Act||Opera Singer and Danger Act|
Nick & Lindsay Williams are a married couple who reside in the great city of New Orleans. Nick is a classically trained opera singer who studied under Julliard graduate Joseph O. Presti. Lindsay is a classically trained violinist who studied under Linda Sinanian of Stony Brook University. Together, they combine the art of old world circus/sideshow acts with classical music to create a quirky and theatrical experience for audiences of all ages.
Sideshow Opera will be featured in Ripley's Believe It Or Not 2020 publication, BION and TV show TBA. They have toured with popular annual Mardi Gras vaudeville show Vaude D'Gras Circus from New Orleans to the west coast performing in venues such as The Chapel in San Francisco, CA and at The Oakland Metro Opera House in Oakland, CA. They have also performed all over New Orleans in various cabaret clubs from One Eyed Jacks to the House of Blues and the Mercedes Benz Superdome. Sideshow Opera was also featured in productions Look Don't Tell, The World Famous Edwardian Ball and has also entertained for corporate events, private parties, weddings and celebrity clients. 
Nick & Lindsay's audition in Episode 1405 consisted of Nick singing opera and Lindsay playing the violin. Lindsay proceeded to throw knives at Nick at first with her hands, and then with her feet, and then blindfolded. Simon Cowell buzzed the act. Simon initially voted "No", but after being invited on stage so Lindsay could throw knives at him, he changed it to a "Yes". Howie Mandel, Gabrielle Union, and Julianne Hough, also voted "Yes", sending Nick & Lindsay to the Judge Cuts.
Nick & Lindsay's Judge Cuts performance in Episode 1409 consisted of Nick singing "The Music of the Night" from The Phantom of the Opera and Lindsay playing the violin. As Nick sang, he swallowed razor blades as Lindsay pulled them out with her feet, then smashed a concrete block with a flaming hammer while Nick lay on a bed of nails. She then threw knives at him. Howie Mandel gave them a standing ovation. Their performance was strong enough to advance to the Quarterfinals.
Nick & Lindsay's Quarterfinals performance in Episode 1413 consisted of Nick singing Johnny Cash's "Ring of Fire" while Lindsay threw knives both barefoot and freehand, some of them flaming, and put Nick sandwiched between 2 beds of nails while she played the violin. Howie Mandel and Simon Cowell buzzed the act. They did not receive enough votes to advance to the Semifinals in Episode 1414, eliminating them from the competition instead of Light Balance Kids and Robert Finley.
- Nick & Lindsay's act is also known as Sideshow Opera.
- They are the first act to get buzzed by Howie Mandel in the live shows since Alla and Daniel in Season 11.