| Big Brother | |
|---|---|
| Season 13 | |
| Hosted by | Julie Chen |
| No. of days | 75 |
| No. of houseguests | 14 |
| Winner | Rachel Reilly |
| Runner-up | Porsche Briggs |
| America's Favorite Houseguest | Jeff Schroeder |
| Companion show | Big Brother: After Dark |
| No. of episodes | 29 |
| Release | |
| Original network | CBS |
| Original release | July 7 – September 14, 2011 |
| Additional information | |
| Filming dates | July 2 – September 14, 2011 |
| Season chronology | |
Big Brother 13 is the thirteenth season of the American reality television series Big Brother. The season premiered on July 7, 2011, broadcast on CBS, and ended with a 90-minute season finale on September 14, 2011, after 75 days of competition. Julie Chen returned as host. Season 12 HouseGuest Rachel Reilly was crowned the winner, defeating Porsche Briggs in a 4-3 jury vote. For the second time, Jeff Schroeder, from Big Brother 11, was voted as the season's America's Favorite HouseGuest.