The former 'Bachelor' also detailed his symptoms on an Instagram Live on Saturday.
The 'Bachelor' alum took to Instagram Story to give updates on her boyfriend and family's health.
Colton Underwood reveals on Instagram that he tested positive for coronavirus and encourages fans to take social distancing seriously.
The 28-year-old opened up about his diagnosis and how the virus has been 'kicking my a**.'
The pair's trip to the beach was a 'warning shot to get back inside,' Underwood said.
The former 'Bachelor' also says Peter 'could have stood up for himself.'
'The First Time' is due out Mar. 31.
ET’s Lauren Zima breaks down the most dramatic ‘Bachelor’ moments of 2019!
'You've had a killer year.'
ET spoke with the couple at the 2019 CMA Awards in Nashville on Wednesday.
ET spoke with 'Bachelor' stars Colton and Cassie at the 53rd Annual CMA Awards in Nashville, Tennessee, which aired Wednesday on ABC.
ET spoke with the former Bachelorette after 'Dancing With the Stars' on Monday.
The 'Bachelorette' star took home the award for Competition Contestant of 2019 and got some sweet support from a few former flames.
The latest Bachelor Nation feud is dividing the franchise's stars.
