Pink marks the second anniversary of her dad's death by sharing a heartfelt tribute on Instagram: 'Today it just hurts'

Robert Irwin and Rorie Buckey enjoy a romantic lunch date - after going Instagram official earlier this month

Meghan Markle's Instagram return 'imminent' - and she could make '$1m per post'

Jeremy Renner hits the gym and shares a 'Happy Friday' message with Instagram fans... eight months after his near-death snowplow accident