Jason Aldean is back in Las Vegas a week after the mass shooting that killed 58 people and injured about 500 concertgoers of the Route 91 Country Music Festival. His pregnant wife, Brittany, took to Instagram to share their photo outside the Mandalay Bay Resort and Casino, where the performed the senseless killing.

Police identified Stephen Craig Paddock, 64, as the person responsible for the mass shooting. It was said that the suspect rained down bullets from his hotel room on the 32nd floor, where the authorities discovered his dead body and high-powered weapons and explosives.

Deadliest mass shooting in modern U.S. history

Authorities believed the gunman killed himself after he fired at thousands of people in the concert field. Meanwhile, Jason Aldean has decided to cancel his performances in California in the wake of Las Vegas shooting. The country singer explained that he felt like it was the right thing to do out of respect to the victims and the bereaved families of those who did not survive the tragic incident.

Hence, the "Big Green Tractor" artist returned to Las Vegas to pay his respect to the people involved in the tragic incident. Jason Aldean and his other half paid a visit to the survivors of the deadliest mass shooting in the modern U.S. history. Brittany, in her Instagram post, said it felt surreal to be back to the place where it all happened.

"Visiting some of the strongest people we have ever met... fighting the toughest battle of them all... for their lives," she captioned their photo. "You have helped us try to begin the healing process by seeing the strength each one of you have."

Life after tragedy: Artist and wife recall traumatic experience

Brittany was with Jason Aldean when the attack took place at the country music event in Las Vegas last Sunday.

The expecting mother recalled that she and her husband hid behind equipment while bullets flew all over the concert venue.

But before they found each other in the midst of chaos, the country singer was then performing onstage for the final set of the show when gunfire was heard in the concert field. Jason Aldean and his bandmates initially carried on with the performance until the gunman released another set of gunfire.

The performing artist immediately stormed off the stage and hid from flying bullets. He also described the incident beyond horrific that left him speechless. On Saturday, Jason Aldean guest-starred on "Saturday Night Live" where he performed his own rendition of "I Won't Back Down" by the late Tom Petty.