Much of the show focused on Rachel's on-again off-again relationship with Ross, played by David Schwimmer.

George and drummer Moss were carrying on a volatile on-again/off-again relationship.

Lindsay Lohan and Paris Hilton have had a bumpy history, with an on-again/off-again friendship that has had some ugly verbal exchanges.

The on-again off-again teenage couple have shot down any rumors that their relationship is on the rocks and still plan on getting married sometime after the birth.

Salma Hayek married her on-again-off-again boyfriend Francois-Henri Pinault.

Doctors for Jamie Lynn Spears' on again/off again fiancé have decided to move Casey Aldridge out of intensive care.

It was on-again off-again with the Los Angeles district attorney's office on the exact charges to bring against former physician to Michael Jackson, Dr. Conrad Murray.

His on-again/off-again love/hate relationship with former wife Holly produced daughter Blake and years of storylines.

Maggie Jones - An on again/off again character from 1974-1998.

William Tarmey - An on-again/off-again character, Tarmey made appearances on the soap in 1979 and 1981.

Before becoming a major star in High School Musical, Zac Efron played Cameron Bale, the on-again/off-again boyfriend of 13-year-old Nikki Westerly.

Kourtney Kardashian has been in an on-again/off-again relationship with socialite Scott Disick, a hookup that is heavily spotlighted in entertainment and celebrity gossip news.