Starbucks Venti Passion Tea Calories

Very Berry Hibiscus with light ice Lime Refresher + 1 part Lemonade + ice + splash of Passion Tea unsweetened Venti cup + 1 bag Refresh (Mint) tea + 1 bag Calm (Chamomile) tea+ add half hot. The Starbucks website claims the drink has zero calories even for a Venti size. "An intoxicating blend of hibiscus, lemongrass, rose hips, mango and ... ................
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