Today is National Pizza Day, and people and restaurants everywhere are celebrating.

Pizza Hut is offering 30% off menu prices for Hut Rewards Members, and anyone who signs up today can also take part in the deal — the offer stands today only. California Pizza Kitchen is giving complimentary samples of the restaurant’s new Cauliflower Pizza Crust, today only.

Cici’s Pizza is giving up to four toppings on a personal pizza for free along with a buffet purchase, and from 2-5 p.m. today, Round Table Pizza is offering either a free cheese or pepperoni Original Personal Pizza to customers who buy a Pepsi fountain drink.

Little Caesars is celebrating National Pizza Day with Hashtag Roundup by having people tweet about their love for pizza along with the hashtag #WhyILovePizzaIn4Words, and Papa John’s is tweeting out polls about pizza habits, with questions like “is pineapple acceptable on pizza?” and “garlic sauce or ranch?”

 

Celebrities like Shay Mitchell and bands like The Script got in on the National Pizza Day fun too.

“A few photos of me and my one true love,” Mitchell tweeted along with a photos of herself eating pizza.

“Today we teamed up with Dominos ​to celebrate #NationalPizzaDay, and decided to share the love with #TheScriptFamily queuing for the show tonight it Dublin!!” The Script tweeted alongside a video of the band members handing boxes of pizza out to fans that were lined up for their Dublin, Ireland show later in the night.