Actress Kat Dennings is getting candid about the "very harsh" criticism she received about her physical appearance as a child actor.

Kat Dennings and Tim Allen are a father-daughter match made in TV heaven!

Tim Allen and Kat Dennings star as a father and his estranged daughter butting heads in the uneven ABC sitcom.

Tim Allen stars as a curmudgeonly father and Kat Dennings as his estranged daughter in this ABC multicam sitcom that features some sociopolitical humor.

Shifting Gears' stars Tim Allen, Kat Dennings talk on set fun and fab cars. The new sitcom premieres Wednesday at 8p|7c on ABC.

Related: Kat Dennings Says Her Shifting Gears Father Tim Allen Is Her ‘Favorite TV Dad of All Time’ (Exclusive) Though Dennings says the entertainment business was "completely insane" back then, she thinks today's climate is "much softer, kinder" and more understanding.

Kat Dennings said stepping onto the set with Tim Allen and the cast to make the new ABC sitcom Shifting Gears “was like a ’90s Mount Rushmore.” The show also stars Seann William Scott, who played Stifler in 1999’s American Pie, and Daryl “Chill” Mitchell, who played English teacher Mr. Morgan in 1999’s 10 Things I Hate About You.

The "Abbott Elementary" and "It's Alway Sunny in Philadelphia" crossover also marked a series high with more than 8 million viewers

Tim Allen plays a widowed father to his estranged daughter played by Kat Dennings and the pair suddenly find themselves living together and working to repair their relationship.

Kat Dennings gushes about her bond with Tim Allen and their on-screen dynamic on the ABC sitcom Shifting Gears. Read on to know what the 2 Broke Girls actress said.

Song previously starred alongside Dennings on the drama series, 'Dollface' Brenda Song can’t help but gush over Kat Dennings on Shifting Gears! On the Wednesday, Jan. 15 episode of the new ABC comedy,