Jennifer Garner is seemingly keeping herself occupied following her ex-husband Ben Affleck’s wedding to Hollywood star Jennifer Lopez.READ: Inside Jennifer Garner's dreamy $14m LA home – as Ben Affleck lists $30m mansion nearbyJennifer, 50, took to her Instagram to hop on the Teenage Dirtbag trend that has gone viral on the internet.Jennifer Garner shares daring videoBut what exactly is this trend that has got the internet buzzing? Simply put, the trend sees people post their embarrassing teenage years with the 2000s hit, Teenage Dirtbag by Wheatus, playing in the background - lovely.READ: Jennifer Lopez and Ben Affleck make union 'official' as they marry for second timeMORE: Jennifer Garner pulls out of latest TV project amid family weddingThe Alias actress posted a series of rare snapshots from her teenage years and it's iconic. One picture showed the Golden Globe Award winning actress doing ballet, whilst another sees the star posing with a hilarious facial expression on her.The gorgeous actress can also be seen in a Dorothy costume from the classic musical, Wizard of Oz.