Nicole Kidman rarely talks about her relationship with her oldest daughter, Bella, but it looks like the star has the seal of approval from her offspring.In a rare public exchange, Bella showed support for her mother as she shared an exciting moment on Instagram recently.MORE: Nicole Kidman marks emotional day with her family Nicole posted a snapshot alongside her husband, Keith Urban, Taylor Swift and Carole King as he prepared to perform at the Rock and Roll Hall of Fame induction