Viva la vida! Aryna Sabalenka rocks out at Coldplay concert in Miami

Aryna Sabalenka was rocking in a recent return to Hard Rock Stadium.

The world No. 1, who withdrew from this week's WTA 1000 in Montreal citing fatigue, was back at the home of the Miami Open on Saturday night to attend a concert by the band Coldplay.

Sabalenka beat Jessica Pegula in the final of the tournament held in her adopted home city in March, but she may have looked even happier as she rocked out in a VIP suite to the band's famous 2014 hit "Sky Full of Stars," with friends and boyfriend Georgios Frangulis.

Read more: Coldplay just loves tennis? Band's Instagram follows players en masse during Olympics

"Good music and good company," she wrote on Instagram, alongside Polaroid-style photos that showed she was more than ready for her concert close-up.

While not the most viral attendee of a Coldplay show in recent weeks, Sabalenka's appearance at the show was equally newsworthy. She joined other famous faces including Lionel Messi and the Stanley Cup champion Florida Panthers in enjoying the Music of the Spheres world tour after deciding was in "in [her] best interest" to skip the first of two WTA 1000 events in North America ahead of the US Open.

Read more: Sun, sand and acai bowls: Scenes from Aryna Sabalenka's Mykonos vacation

Sabalenka announced she'd be skipping the Canadian event less than a week after losing a three-set semifinal to Amanda Anisimova at Wimbledon—her third heartbreaking defeat at the later stages of a Grand Slam event this year—in the hopes of feeling refreshed ahead of her US Open title defense next month.

Before stepping out in Miami, she shared several collections of her latest tropical vacation on Instagram.

Last year, Sabalenka won her third Grand Slam singles title in New York, and will look to become the first woman since Serena Williams won three straight from 2012-14 to take back-to-back crowns at the major. But first, she'll first try to defend her Cincinnati Open title at the Lindner Family Tennis Center. The main draw for the combined ATP and WTA 1000 event begins Aug. 7, which will air live on Tennis Channel.