It seems like it's confirmed to be the title track for FJG2.
Someone on another forum posted this with the source Universal Music.
Tracklist
1. Wild and Free - Lena (Titelsong)
2. Famous - Charli XCX
3. Talk Dirty - Jason Derulo
4. Bills - LunchMoney Lewis
5. Boom! Shake The Room - DJ Jazzy Jeff & The Fresh Prince
6. Wrapped Up (Westfunk Radio Edit) - Olly Murs feat. Travie McCoy
7. Good Man - Benny Tipene
8. Rule The World - Walk Off The Earth
9. Laserbeam – Flypside
10. Call Me Maybe - Carly Rae Jepsen
11. Counting Stars – OneRepublic
12. Changing - Sigma feat. Paloma Faith
Tim Myers (who also wrote Stardust) wrote the song with Sarah Cee.
Edit: More people are reporting it (for example
this) so I guess it's legit.