The 26-year-old continued hoarsely, \"I'm so upset but of course, obviously, you will be refunded. I'm just really devastated. Thank you for understanding and sending love.\"

She also promised to tell her fans what's wrong with her as soon as she knows.

thank u my love. my head was literally beyond pounding. throat too. but this makes me happy to read. i love y'all and can't tell u how much i appreciate your kindness. i'll keep u posted. https://t.co/La9bISzvLZ

— Ariana Grande (@ArianaGrande) November 16, 2019

Grande profusely thanked fans for their outpouring support, but one famous well-wisher completely caught her off-guard.

Barbara Streisand, who has toured since the '60s, reached out on Twitter with some expert health advice.

\"Take a strong Vitamin C drink with some Manuka honey and of course get some chicken soup,\" she urged while sending Grande her love.

Take a strong Vitamin C drink with some Manuka honey and of course get some chicken soup! Bx https://t.co/Ybd4wTEjnw

— Barbra Streisand (@BarbraStreisand) November 17, 2019

Grande, who retweeted the advice, gushed in response, \"My goodness. love you so so much. thank you my sweetest.\"

She then signed off for the night to, hopefully, get some much needed rest.

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