Red flags usually are used as warning signs in relationships and in life, but the emoji recently has become a means for people on Twitter to share objectionable actions.

Celebrities, including Dionne Warwick and Dolly Parton, began offering their own “red flags” on Twitter, according to NJ.com.

Here is a look at some of the best on Twitter from celebrities, companies and others:

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Managing Partner at Atlantica Properties, Darion Dunn (center) talks with Atlanta Mayor Andre Dickens during a tour following the ribbon cutting of Waterworks Village as part of the third phase of the city’s Rapid Housing Initiative on Wednesday, Dec. 3, 2025.
(Miguel Martinez/AJC)

Credit: Miguel Martinez-Jimenez