Sigler was next spotted out and about over the weekend in NYC with longtime pal Lance Bass.
The two stopped by Susan Sarandon's Ping-Pong bar Spin in Gramercy on Thursday night and went shopping together in the Meatpacking District on Friday.
Later that night, they checked out "Burn the Floor," which stars Bass' former "Dancing With the Stars" cohorts Maksim Chmerkovskiy and Kym Johnson.
I am on the biggest collectors of the board game Clue. When I play basketball, I wear a mouthpiece that is the same colors as the Italian flag.
I can't fall asleep without the TV or radio on. I co-own a sandwich shop chain called Fat Sal's.
If you thought Jamie-Lynn Sigler and Jerry Ferrara were going to last, you can just fuhgeddaboudit.
The two, who had been dating since October 2008, have decided to go their separate ways, according to a source close to the "Sopranos" actress.
Rumors started swirling when Sigler showed up solo for last Tuesday's screening of "It's Complicated" at the W Hotel in L.
A."She came with a few girlfriends, and they drank wine all night.
They looked like they were having a good time," a partygoer dished, confirming that Ferrara was nowhere in sight.
" Prior to dating Ferrara, Cassidy romanced singer/actor Jesse Mc Cartney, 25, and Los Angeles Kings player Jarret Stoll, 30.
After a flirty lunch at the Mill, they strolled along the harbor and kissed at a crosswalk, says an eyewitness. PHOTOS: Arrow and other must-see TV shows Ferrara -- who split with Jamie-Lynn Sigler in 2009 -- hasn't just won over Cassidy, according to her pal: "He's won over her friends and family!