If you want to see the process live you can watch Celebrity Infinity on the Miraflores webcam right now. She's in the distance, but is through the second to last lock and will be entering the Miraflores Lock soon:
WebCam - PanCanal.com
The low-res Miraflores webcam is focused on her now as well:
The cruise ships must feel like rock stars going through the canal... I've never seen the webcams follow one vessel so closely all day.