September 23, 2015 12:50 PM EDT

During the Apple Music Festival at Roundhouse in London on Tuesday, the star of boy band One Direction, Harry Styles, gave a shoutout to his older sister, Gemma Anne Styles, in one of the most embarrassing ways possible.

“My sister’s on a date, trying to keep an eye on her,” he said on stage in a viral moment uploaded to Vine.

When the Twitter account for BBC Radio 1 Breakfast Show asked Gemma, who writes for the U.K. publication The Debrief, how the date went, she responded with a cryptic Alice in Wonderland GIF:

(h/t Mashable)

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