Definition of "co-starring" [co-starring]

• Present participle of co-star. (verb)

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• "Others know him from his co-starring roles on such TV shows as Men of a Certain Age and The Shield."
• "You might know Moore from her co-starring role in the Oscar-nominated flick "The Kids Are All Right" she has also starred in films such as "A Single Man" and "An Ideal Husband"."
• "Jackson Rathbone is co-starring in The Last Airbender that opens just days after Eclipse this summer."