Talk about a sweet Cruel Intentions family reunion! Reese Witherspoon and ex-husband Ryan Phillippe recently reunited for a very special occasion: To celebrate their youngest child and son Deacon’s 18th birthday. On Saturday, Oct. 23, Ryan posted on his Instagram a few photos of the teen sitting in between his parents at a restaurant, with a multi-layered birthday cake bearing the number 18 sitting on a table in front of him. “Happy 18th birthday to our gorgeous, smart, talented and caring son,” the 47-year-old actor wrote. “You are a true light in this world and are so loved by all who know you. We are lucky to be your mom and dad. Love you, pup..” Ryan added, in parentheses, “I’d say we did pretty good @reesewitherspoon.” Deacon commented on the post, “Thanks dad!! I love you.” Ryan also wrote on his Instagram Story, “Happy 18th to the best son a mom n dad could have. Love you so much.” Reese, 45, shared another pic of herself with Ryan and Deacon at the event on her Instagram Story, writing, “We love you Deacon! You make us so proud!” The Oscar-winning actress and Ryan finalised their divorce in 2008, nine years after they married and also after they famously played love interests in Cruel Intentions, the cult teen film that made them both famous. Since then, the exes, also parents to 22-year-old daughter Ava Phillippe, have rarely been seen together, although they have occasionally reunited for outings and events with their kids, such as their son’s 17th birthday party last year. On Saturday, Reese also shared a larger photo tribute to Deacon on Instagram. She posted several undated pics of the teen, including one showing him sitting at another restaurant in front of a different birthday cake and next to his 9-year-old brother Tennessee Toth, the actress’ child with husband Jim Toth. “How did this happen?!!” she wrote. “@deaconphillippe is 18?!! One day he was trading Pokémon cards, singing Bruno Mars songs, and playing American Ninja Warrior in the backyard. The next day, he is taller than me, cooking the family steaks on the grill and making his own music with his best friends.” She continued, “My heart is bursting with pride about the young man he is becoming. Happy 18th Birthday Deacon! I love you to the moon around the sun and all the stars.” Deacon commented, “Love you mom!”