Some of the information is Boop-Oop-a-Dooping full of SPOILERS. Boop-Oop-a-Doop!
Films
Trolls Band Together
In the 2023 film Trolls Band Together director Walt Dohrn admitted that they used a Betty Boop 1930s aesthetic to create antagonists the twins Velvet and Veneer. In the earlier concepts, the twins look like monsters. The twins and the people of "Mount Rageous" are based on Elonne Dantzer's Betty Spaghetty. Dantzer created and designed Betty Spaghetty, which The Ohio Art Co. was granted a licence to use in 1998. The franchise was relaunched in 2016, only to be discontinued due to poor sales. The characters of "Mount Rageous" are a mixture of Betty Boop and Betty Spaghetty.
The Hole in the Ground
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In the 2019 film The Hole in the Ground, in one sequence Betty Boop's animated cartoon No! No! A Thousand Times No!! can be seen on the TV.
Ripley's Believe It Or Not #1
.jpg "Won Long Hop in Ripley's Believe It Or Not -1 (1930).jpg (28 KB)")
In Robert L. Ripley's Believe It Or Not #1, for the final sequence a little Chinese boy Wong Lon Hop is brought out to sing "Hello Baby" on screen. As soon as the boy starts to "Boop-Boop-a-Doop" Robert responds by saying no "Boopety Doop" singers here now.
Asleep in the Feet
In the 1933 short Asleep in the Feet Thelma Todd and ZaSu Pitts play a poor pair of working girls who decide to help out a friend by making $20 of back rent she owes down at the local dance hall. In one scene before the big dance Zasu Pitts is given a make-over and is asked to grab herself a number, Zasu responds with a sly "Boop-Boop-a-Doo" while pouting and swishing back and forth. When asked to dance she then says "Hot-Cha! Poop-Poop-a-Doo!" in excitement. ZaSu's distinctive looks and signature style mannerisms were later used by the Fleischer Studios for Olive Oyl. However unlike Helen Kane, ZaSu "who hated to be aped" as she claimed that over-imitation washes you up sooner did not sue the Fleischers.
Damn Yankees!
In the 1958 film Damn Yankees!, in the song "Whatever Lola Wants" which is sung by the Devil's seductress assistant Lola, (Gwen Verdon), there's a quick "Boop-Oop-Be-Doo" in song.
The Gay Desperado
There are a trio of Mexican "Boop-Boop-a-Doop" singers make a small appearance in Rouben Mamoulian's 1936 film The Gay Desperado. The singers are recording "Lookie Lookie Lookie" at a radio station until the they are held up by gunpoint. Braganza (Leo Carillo) hijacks the Mexican radio station as a platform for his kidnapped adviser Chivo (Opera star Nino Martini) the trio of singers are forced to finish singing their song.
Johnny Dangerously
In the 1984 film Johnny Dangerously a Betty Boopish prostitute appears in an animated sequence meeting an anthropomorphic penis. The scene was removed from the TV release.
Gentlemen Marry Brunettes
In the 1955 film Gentlemen Marry Brunettes (a follow up to the 1953 film titled Gentlemen Prefer Blondes featuring Marilyn Monroe and Jane Russell), Jane Russell and Jeanne Crain play the Jones Sisters, Bonnie and Connie Jones, and Mimi and Mitzi Jones. In one scene as Bonnie and Connie Jones, they sing "I Wanna Be Loved By You" with the scat lyrics "Boop-Boop-a-Doop" and "Voh-Doh-Oh-Deo-Doh" alongside Rudy Vallée. Vallée used to sing "Boop" songs in the original Betty Boop cartoon series and had his own "Boop-Boop-a-Doop" girl band during the 1920s and 1930s. Rudy also used to sing to live audiences on stage with notable "Boop" singers such as Helen Kane and Mae Questel.
Some Like It Hot
"I Wanna Be Loved By You" a song known as Betty Boop's signature song was also featured in Some Like It Hot, where it was performed by Marilyn Monroe as Sugar Kane.
Our Neighbor Miss Yae
In the 1934 Japanese film Our Neighbor Miss Yae (隣の八重ちゃん) there is a scene at the cinema which features the Betty Boop cartoon Ha! Ha! Ha!. A Japanese audience can be seen watching the animation in laughter.
The Princess and the Frog
In 2009 animated film The Princess and the Frog, a character known as Charlotte "Lottie" La Bouff, a flamboyant southern belle, was inspired by Marilyn Monroe and Betty Boop. There were Texans who were "Boop-Boop-a-Doop" girls, for example Ermine Calloway.
Her figure is based on Marilyn Monroe and the character's casual appearance resembles a flapper.
The Nightmare Before Christmas
The Betty Boop short The Old Man of the Mountain, which featured Cab Calloway, is referenced in Oogie Boogie's song, "What'chu gonna do now?", "I'm gonna do the best I can!" are repeated by Santa and Oogie Boogie in the 1993 film The Nightmare Before Chistmas. The producers studied Calloway and used him as inspiration.
Radioland Murders
In the 1994 film Radioland Murders, a Betty Boop-like character played by Tina Corsini sings in Betty's style. After being forced to sing the same song for over five minutes, she faints. The producers of the film did not pay for Betty Boop's copyright, so they created a parody of her instead.
American Mary
Beatress Johnson has had herself surgically altered to resemble Betty Boop. Beatress offers Mary a large sum of money to perform surgery on a friend of hers, Ruby Realgirl, who wishes to be transformed into a human doll by having her nipples and labia removed. Although the ethics of the request trouble her, Mary is still desperate for money and performs the surgery.
Madonna
In the 1987 film Who's That Girl, Madonna Ciccone portrayed a character (Nikki Finn) who speaks like Betty Boop. In the cartoon sequence she resembles Betty. Madonna is a fan of the character and has been seen throughout the years wearing Betty Boop apparel. Apart from Betty Boop, Carole Lombard, Judy Holliday and Marilyn Monroe were also used as inspiration. Madonna later released the song "Santa Baby" in 1987 for the charity album "A Very Special Christmas", where she sings in the baby style, also ad-libbing "Boop-Boop-a-Doop". Madonna commented: "The picture inside the dust of sleeve of my first album has me, like, in this Betty Boop pose with my belly button showing." Madonna is also known to be a Betty Boop fan, in the 2020s she posted a tribute to Betty Boop on her Instagram stories. Madonna is also a massive fan of Marilyn Monroe and has done numerous tributes to Monroe, she even once stated during the 1980s that she was Monroe reincarnated.
Saving Private Ryan
Betty Boop is referenced in the movie Saving Private Ryan: "Steamboat Willie", the German solider captured by Captain Miller's Ranger squad, makes reference to Betty Boop while trying to show that he has an appreciation of American culture.
Look Who's Talking Too
Betty Boop is referenced in the 1990 film Look Who's Talking Too. James Ubriacco chooses between Arnold Schwarzenegger or Betty Boop. He says that they're both really built and they both talk funny."
In Love with Life
In the film In Love with Life, a little girl (likely Ann Bupp) impersonates Betty Boop on stage in the Kiddie Kabaret as a part of The Meglin Kiddies. The film was released in 1934, when Betty Boop was very popular, and the girl's outfit is patterned on the Betty Boop Dolls of the 1930s with the signature heart icon. She sings a unknown "Boop-Oop-a-Doop" song.