Can you identify me?

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Across
  1. 4. Unstoppable Singer
  2. 5. I am the silent guardian, the watchful protector
  3. 7. People know me for my silence
  4. 9. Open bottle for happiness
  5. 11. The fashionista
  6. 12. The loudspeaker
  7. 13. I am cute and fluffy
Down
  1. 1. The self-conscious selfie expert
  2. 2. Solo performer on the dance floor
  3. 3. I wish to come but could never make it to any party
  4. 4. Tuesday hai, veg khaunga
  5. 6. The Chatterbox
  6. 7. The price is too high
  7. 8. The Friend and the leader
  8. 10. Issues with Replication? I am here for you