"Si tu savais" is a song by French singer Shy'm, from her second album Reflets.

It was released on 17 November 2008 as the second single from the album.

Written and produced by Louis Côté and Cyril Kamar, "Si tu savais" is a pop and R&B song, the song's music video has blocked by WMG on YouTube.

[1] The song became one of Shy'm's best performing singles, both in France, "Si tu savais" as her highest-peaking single, reaching #2.

In Switzerland since "Si tu savais", despite only peaking at #91.