"Enamorado Por Primera Vez" was released as the
lead single from the album on 18 January 1997. "Enamorado Por Primera Vez" was later included on Iglesias' compilation albums
The Best Hits (1999) and
Enrique Iglesias: 95/08 Éxitos (2008). A
music video for the song was filmed which features Iglesias performing it with a band being interspersed with a woman in a bedroom. Writing for the
San Antonio Express-News, Ramiro Burr remarked that the song has a "slow
acoustic beginning before building with catchy
choruses".
Los 40 editor Noemi Fernández listed it as one of Iglesias' ten best songs. Mario Tarradell of the
Houston Chronicle criticized the track as "empty, as innocuous as most of the hits from his career-launching release". The track was recognized as one of the best-performing songs of the year on the Pop/Ballad field at the 1998
ASCAP Latin Awards. In the US, "Enamorado Por Primera Vez" debuted on top of the Hot Latin Songs chart, making it Iglesias's sixth number one song on the chart as well as the second song in the chart's history to debut at number one after "
El Palo" by
Juan Gabriel; The song also topped the
Latin Pop Airplay and
Regional Mexican Airplay genre charts, spending 11 weeks at the top of on this spot on the former chart, the longest-running number one song of the year. On the year-end charts, "Enamorado Por Primera Vez" ended 1997 as the fourth
best-performing song of 1997 on the Hot Latin Songs chart and the second best-performing song on the Latin Pop Airplay chart after "
Por Debajo de la Mesa" by
Luis Miguel. ==Charts==