Venus Williams' little sister, Serena Williams, got all mushy and emotional in her recent social media posts. Venus married her fiancé, Andrea Preti, for the second time over the weekend in Palm Beach, Florida. The couple was surrounded by their family and loved ones as they exchanged their vows.Serena took to Instagram to share a photo of the two of them together, Venus in her wedding gown and Serena in a matching white dress. She captioned the post:"My sister's keeper. Venus, where do I even begin? From the backyard courts to the biggest stages in the world, you've always led with grace, strength, and a heart bigger than any trophy. Watching you step into this next chapter surrounded by love felt like watching the sun rise…steady, powerful, and full of promise."She continued to list who Venus is to her, writing:"You've been my built-in best friend, my protector, my teacher, and my reminder to always walk in purpose. Seeing you this happy, this loved, this radiant… it means everything to me. To love, to partnership, to laughter, and to a lifetime of choosing each other every single day. I couldn't be prouder to stand beside you, not just today, but always." View this post on Instagram Instagram PostShe shared more photos from the wedding day, including family photos and a snap of the sisters (Lyndrea and Isha) together.Serena Williams shares similar posts on XSerena Williams also took to X to share the photos from Venus Williams and Andrea Preti's wedding day. On X, she wrote:"My sister's keeper. Venus, where do I even begin? From backyard courts to the world stage, you've always led with grace, strength, and heart. Seeing you step into this next chapter so loved and radiant means everything to me. Forever proud to stand beside you."Serena Williams and Venus Williams share the same wedding plannerVenus Williams and Andrea Preti's Palm Beach wedding was managed and planned by Jennifer Zabinski of JZ Events. Back in 2017, Serena Williams hired Jennifer for her wedding to Alexis Ohanian.According to the photos obtained by Vogue, Venus Williams was wearing a sheer lace dress designed by Georges Hobeika. She explained why she chose the dress to the outlet. In her words:"I wanted to wear a dress that I thought Andrea would love and that was magical and perfect for a Florida wedding."The newly married couple met last year during Milan Fashion Week, and a year later, they tied the knot.Serena Williams shared a loving message for her sister Venus after her wedding to Andrea Preti. She posted emotional photos and praised Venus for her strength and grace, vowing to always stand beside her sister.Also read: What did Venus Williams and Andrea Preti wear for their wedding? Outfit details explored as couple ties knot in Palm Beach