Lola Tung was 15 years old at the start of Season 1 of "The Summer I Turned Pretty" and then celebrates her 16th birthday during that season. This means her character's age in Season 1 ranges from 15 to 16 years old.
In real life, Lola Tung was born on October 28, 2002, which makes her 19 or 20 years old during the filming of Season 1, depending on the exact filming dates.
