United Kingdom, April 27 -- Beyonce and Solange Knowles had therapy when they were children.

The singing stars' mother, Tina Knowles, grew worried when she saw a "wall between them coming" when Beyonce was around 10 years old and was determined to do what she could for them to grow up with a close sibling bond.

Explaining how Beyonce, now 43, and Solange, now 38, were "very very different" as children, she told 'CNN News Central': "I was terrified when Beyonce turned around 10. She might have been 10 or 11, and she was in the singing group.

"And the kids would say to Solange every day, 'Be quiet, Solange,' because she would try to choreograph and, you know, she wanted to be involved. She bossed it, too. And they didn't want her involve...