You might be wondering what big sisters are for.

Nicole Richie was on hand to support Sofia Richie as she got engaged to boyfriend Elliot GraingeIn response to this happy news, she displayed her unique sense of humor.

After the bride-to-be shared a photo of his proposal on her Instagram April 20, Nicole reposted the pic on her Instagram Story. She then shared a selfie with her little sister wearing her engagement ring and the same tan floral dress she sported when she said yes to her now-fiancé, joking, “Can’t wait to find ways to make this about me @sofiarichie.”

Nicole’s husband,Good Charlotte singer Joel MaddenHe also shared the photo of his proposal on Instagram Story and wrote, “My Two Favorites…I’m so Happy for You Both…couldn’t have chosen better people.”

Sofia, aged 23, proposed to Elliot at the age of 28 with an emerald cut diamond ring. Sofia posted it on Instagram. The groom-to be wrote “She said yes” on his page and added three red hearts emojis.