The 23-year old, known for Driver's Licence and Good 4 You, will set off for her The Unraveled Tour in September with shows in the US before moving over to Europe - including four nights at London's O2.
The news, announced on Thursday, comes after Rodrigo revealed she will release her third album, You Seem Pretty Sad For A Girl So In Love, in June.
"I am so so excited to announce The Unraveled Tour!!!," Rodrigo said in a post on Instagram.
"I am counting down the days till I get to sing all of the songs from 'you seem pretty sad for a girl so in love' with u guys!!!"
The tour will see The Last Dinner Party and Wolf Alice among the opening acts on the tour along with Die Spitz and Grace Ives.
Rodrigo shot to fame after releasing her Grammy-winning 2021 single Driver's Licence - a track which climbed to number one on the charts.
She later released her debut album Sour, which also made it to the top of the UK charts and won the best pop vocal album and best new artist Grammy in 2022.
Rodrigo released her second album, Guts, in 2023 which was followed by a deluxe version, Guts (spilled).
You Seem Pretty Sad For A Girl So In Love will be out on June 12.
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