Salma Hayek's daughter is growing up! The 56-year-old actress celebrated Valentina Pinault's 15th birthday on Wednesday with a pair of sweet throwback photos — one of which was snapped by none other than Blake Lively. «Happy 15 years to my beloved,» Hayek wrote, in Spanish, on Instagram. «Valentina, you are my everything, thank you for lighting up our lives with the strength of your wonderful spirit.