The shortest previews ever leaked yesterday XD
Previews for 2 songs are here, their titles haven't been revealed.

       


Source: jolinfans


And Ze-Shan, Jolin's manager, revealed a song's title. One of the songs in VOGUE is called 小伤口 (Small Wound)!

So for now we have 3 titles:

小伤口 (Small Wound)
美人計 (Trick of the Beauty)
即時生效 (Effective Immediately)