|Season||Big Brother 4|
|Votes To Win||6|
|Alliances|| Elite Eight|
|Loyalties|| Dana Varela|
|HOH Wins||1 (Week 8)|
|Times Nominated||3 (Weeks 4, 9 & 10)|
|Veto Wins||1 (Week 6)|
Jun Song is the winner of Big Brother 4. In the season which saw Jun play the game with her ex-boyfriend Jee, as part of the X-Factor twist, her alliance with Alison Irwin ensured that both women reached the final two. Jun received six of the seven jury votes as was thus crowned the winner. She is notable for perfecting and claiming the floater strategy.
Jun Song (born July 19, 1975, in Seoul, South Korea) was a 27-year-old investment manager from New York, New York. Her ex-boyfriend, Jee, was also a houseguest this year due to the "X-Factor" twist.
Player History - Big Brother 4
|Food||Sat Out as HOH|
|POV||Unable to Play 1|
|Week 9||HOH||Previous HOH|
|Week 10||HOH Part 1||Loss|
|HOH Part 2||Win|
|HOH Part 3||Loss|
Note: 1 Since Jun was attending the 20th Annual MTV Video Music Awards, she was not able to compete in the Veto competition in Week 8. However, it should become noted that if none of the houseguests correctly guessed where Jun was, then Jun would have won the Veto.
|Week||Position||Voted for||With Majority?|
|6||POV Holder||Justin Giovinco||Yes|
|7||–||Jack Owens, Jr.||Yes|
|Original Nominees||Post-Veto Nominees||Intended Target|
Post Big Brother
- Jun appeared on Big Brother All-Stars (US) to judge a food competition.
- Jun also appeared on Big Brother 10 (US) to compete in a food competition.
- Several years later after winning the show, she is married with one child and currently living in Belgium. She was the owner and chef of a Korean restaurant, Rice House, in her town of Evergem. She shut down the restaurant in 2017 and announced that she was no longer together with her husband.
- Jun is the first, and currently only, Asian-American HouseGuest to win Big Brother. She was also the only non-white House Guest to have won the game until Josh Martinez won Big Brother 19 (US).
- Jun is the first female Big Brother winner (and first winner overall) to receive no votes against them the entire game.
| Succeeded by|
|Big Brother 4 House Guests|