Photos | Britney's Worst Year Ever

<b>December:</b> Britney finds herself a 26-year-old single mother of two, with both her career and her sanity in ruins. So what better time to pass the torch to kid sister Jamie Lynn, who announced she's pregnant at 16.
©2015 Viacom International Inc. All Rights Reserved.
VH1 and all related titles and logos are trademarks of Viacom International Inc.