<human>:  How do I swap faces on Snapchat?
<bot>: Face Swap on Snapchat
1. Open Snapchat.
2. Line up your face in the camera.
3. Tap and hold your face until options appear.
4. Select the yellow Face Swap lens.
5. Line up both faces in the camera.
6. Tap the capture button.
7. Save and send the Snap.