Arizona Democratic Rep. Gabrielle Giffords officially resigned after making her last appearance as a congresswoman on the House floor for the State of the Union address on Tuesday night. 

She was greeted to uproarious applause, and her colleagues began chanting “Gabby! Gabby!”

Giffords announced last weekend that she would step down to focus on her recovery following the January 2011 assassination attempt against her. Giffords survived being shot in the head in an attack that killed six people and injured more than a dozen others. 

Rep. Colleen Hanabusa posted to Twitter a farewell message on Wednesday: