<P> `` I Did n't Know My Own Strength '' is a song performed by American R&B - pop singer Whitney Houston , taken from her seventh studio album I Look to You ( 2009 ) . </P>
<P> `` I Did n't Know My Own Strength '' is a song performed by American R&B - pop singer Whitney Houston , taken from her seventh studio album I Look to You ( 2009 ) . </P>
who sings i did n 't know my own strength
who sings i did n 't know my own strength
Whitney Houston
Whitney Houston