Demi Lovato and Wilmer Valderrama Won't Stop Celebrating Demi's Birthday

Demi Lovato really is having the best 23rd birthday ever. The "Cool For the Summer" singer started the celebration by getting a new cute puppy named Batman and receiving a supersweet message from boyfriend Wilmer Valderrama and childhood friend Selena Gomez, who said: "I'm so grateful you were born #nomatterwhat #forever #haveTHEbestbday." But the celebration didn't end there, with Demi and Wilmer heading to Knott's Berry Farm amusement park in Buena Park, CA, over the weekend, where the couple cozied up to Snoopy and held hands through the park and even while they screamed on roller coasters. Keep scrolling to see more photos of Demi and Wilmer, then check out all the times they gave us serious relationship goals.