A proposal photo blew up across the internet on Caught in the Act: Promiscuous Sex Life of My D-Cup Mother in law (2025)Saturday thanks to a happy bystander pictured in the photo's background.

Carlos Jair, a Twitter user from Houston, Texas, shared a photo of the moment his sister proposed to her girlfriend at the Art Institute of Chicago. In his tweet, he drew attention to the delighted older woman smiling at the happy couple.

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His sister Jessica tells news.com.au that she and the photographer were looking over photos taken the day of the proposal when they noticed the woman's sweet reaction.

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"It really made that photo even more special," she told news.com.au.

Carlos's tweet garnered more than 276,000 likes, more than 89,000 retweets and even drew a congratulatory note from Fifty Shades of Greyauthor E.L. James.

A few hours after Carlos posted the photo, Jessica shared the couple's proposal video.

She's also asked for Twitter's help in finding the woman who made their photo such a massive success.

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