Tiffani Thiessen (born Tiffani-Amber Thiessen; January 23, 1974) is an American actress best known for her roles as Kelly Kapowski in Saved by the Bell and as Valerie Malone in Beverly Hills, 90210. She is also known for her role on Fastlane as Wilhelmina 'Billie' Chambers. As of 2009, she plays the role of Elizabeth Burke, in White Collar. After many years of going by her full name, Tiffani-Amber Thiessen, she is now credited as simply Tiffani Thiessen. Description above from the Wikipedia article Tiffani Thiessen, licensed under CC-BY-SA, full list of contributors on Wikipedia.

KNOWN FOR

Watch What Happens Live with Andy Cohen
2012
The Tonight Show Starring Jimmy Fallon
2015
The View
2023
The Jennifer Hudson Show
2023
Married... with Children
1990
Beverly Hills, 90210
1994
Late Night with Conan O'Brien
1993
Coven Academy
2026
White Collar
2009
Hell's Kitchen
2015
Jake and the Never Land Pirates
2012
Step by Step
1992

FILMOGRAPHY

All
Movies
TV
Acting
63
Producing
1
2026
Coven Academy
as Miss Graves
2026
Hollywood Demons
as Self (archive footage)
2024
LEGO Marvel Avengers: Mission Demolition
as She-Hulk (voice)
2023
The View
as Self
2023
The Jennifer Hudson Show
2020
Saved by the Bell
as Kelly Kapowski-Morris
2020
Stars in the House
as Self
2020
Deliciousness
as Self - Host
2018
Alexa & Katie
as Lori Mendoza
2018
Rachael Ray
2018
Steve
as Self
2017
American Housewife
as Celeste
2015
Hell's Kitchen
as Self - Restaurant Patron
2015
Dinner at Tiffani's
as Self - Host
2015
The Tonight Show Starring Jimmy Fallon
as Self
2014
Northpole
as Chelsea
2014
Celebrity Name Game
as Self
2014
Hollywood Game Night
as Self
2012
Jake and the Never Land Pirates
as Misty the Wonderful Witch (voice)
2012
Watch What Happens Live with Andy Cohen
as Self - Guest
2009
White Collar
as Elizabeth Burke
2009
Head Case
as Self
2008
Cyborg Soldier
as Lindsey Reardon
2007
Pandemic
as Kayla Martin
2007
What About Brian
as Natasha Drew
2003
Good Morning, Miami
as Victoria Hill
2003
TRL
2002
Hollywood Ending
as Sharon Bates
2002
Fastlane
as Wilhelmina Chambers
2001
A Christmas Adventure ...From a Book Called Wisely's Tales
as Vixen (voice)
2001
E! True Hollywood Story
2001
Just Shoot Me!
as Amy
2000
Shriek If You Know What I Did Last Friday the 13th
as Hagitha Utslay
2000
The Ladies Man
as Honey DeLune
2000
ivans xtc.
as Marie Stein
2000
Two Guys and a Girl
as Marti
1999
From Dusk Till Dawn 2: Texas Blood Money
as Pam
1999
Love Stinks
as Rebecca Melini / Juliette
1999
Speedway Junky
as Wilma Price
1999
NewsRadio
as Foxy Jackson
1999
Cupid
1997
The Greatest Christmas Moments of All Time!
as Self
1996
Buried Secrets
as Annalisse Vellum
1996
Sweet Dreams
as Alison Sullivan
1996
The Rosie O'Donnell Show
as Self
1995
The Stranger Beside Me
as Jennifer Gallagher
1995
She Fought Alone
as Caitlin Rose
1994
Saved By the Bell: Wedding in Las Vegas
as Kelly Kapowski
1994
Beverly Hills, 90210
as Valerie Malone
1994
Burke's Law
as Andrea Pierce
1993
Son in Law
as Tracy
1993
Saved by the Bell: The College Years
as Kelly Kapowski
1993
Late Night with Conan O'Brien
as Self - Guest
1992
Saved By the Bell: Hawaiian Style
as Kelly Kapowski
1992
A Killer Among Friends
as Jenny Monroe
1992
Step by Step
as Tina Gordon
1992
Blossom
1992
The Powers That Be
1990
Charles in Charge
as Jennifer
1990
The Hogan Family
1990
Married... with Children
as Heather McCoy
1989
Who Shrunk Saturday Morning?
as Kelly Kapowski
1989
Saved by the Bell
as Kelly Kapowski