"Love Is in the Air" is a 1977 disco song by Australian singer John Paul Young. It was written by George Young (no relation) and Harry Vanda, and released as the lead single from Young's fourth studio album, Love Is in the Air (1978). The song became a worldwide hit in 1978, peaking at No. 3 on the Australian charts and No. 5 on the UK Singles Chart. In the United States, it peaked at No. 7 on the pop chart and spent two weeks at No. 1 on the Adult Contemporary chart, his only U.S. top 40 hit.

Source: Wikipedia