1. Open the Verizon app on your mobile phone.
2. Tap on the "Ringback Tones" section.
3. Search for "Rihanna" in the search bar.
4. Select the Rihanna RingBack Tone you want to purchase.
5. Follow the on-screen instructions to complete the purchase and assign the RingBack Tone to your account.
*Please note that the availability of Rihanna Ringback Tones may vary based on your location and specific Verizon plan.*