Buckley will perform prior to the Giants vs. Cleveland Browns game at 1 PM ET; CBS will broadcast the sporting event live from the MetLife Stadium.
The award-winning actress is playing Feinstein's through Oct. 27.
Buckley is celebrating Broadway's second female leads, who have introduced classics like "When You're Good to Mama" (Chicago), "Another Suitcase In Another Hall" (Evita), "I Know Things Now" (Into the Woods), "Ribbons Down My Back" (Hello, Dolly!), "Whatever Lola Wants" (Damn Yankees) and "The Miller's Son" (A Little Night Music).
The Cats Tony winner — who is joined by Christian Jacob on piano, Tony Marino on bass, Vic Juris on guitar and Todd Isler on drums — is also featuring selections from her new CD, "Ah Men! The Boys of Broadway," which was recently released by Palmetto Records.
Feinstein's at Loews Regency is located at 540 Park Avenue at 61st Street. For more information and reservations, call (212) 339-4095 or visit FeinsteinsAtTheRegency.com.