Red Robin is known for its gourmet burgers and high-value “royalty program” with 10 million burger loving loyalty members. This National Cheeseburger Day, Red Robin is celebrating early with a week-long deal for its royalty members. Starting September 13 through September 19, members can enjoy BOGO 50 percent off (discount applies to second cheeseburger purchase)—valid once per day throughout the week.

Not a royalty member? Don’t sweat it. The offer will be available for new royalty members who sign up for the burger loving community before the offer begins (September 13).

Here are some favorites:

Scorpion Gourmet Burger: This is Red Robin’s newest addition to the menu for a limited time. This fan favorite burger is served with Pepper-Jack cheese, Scorpion Pepper Sauce, fried jalapeño coins, lettuce, tomatoes, pickles, red onions and jalapeños roasted in Scorpion sauce and roasted garlic aioli on a sesame seed bun

Bacon Cheeseburger: Your classic bacon cheeseburger with your choice of cheese served with hardwood-smoked bacon, lettuce, tomatoes and mayo

The Southern Charm Burger: A house favorite among Red Robin guests. This burger is served with cheddar cheese, candied bacon, Whiskey River BBQ Sauce, caramelized onions, lettuce and mayo on a toasted brioche bun