Title: You Must Have Been a Beautiful Baby
Content:  "You Must Have Been a Beautiful Baby" is a popular song with music by Harry Warren and lyrics by Johnny Mercer, published in 1938. It was featured in the Warner Brothers movie Hard to Get, released November 1938, in which it was sung by Dick Powell. The biggest-selling hit version was recorded by Bing Crosby, with Bob Crosby and his orchestra while other contemporaneous hit versions included recordings by Tommy Dorsey (with vocal by Edythe Wright) and Russ Morgan. It was also revived by Bobby Darin in 1961, reaching the charts again that year. The song has been recorded by many other artists (see below for a partial list) and is considered a popular standard. It was used frequently in the Looney Tunes and Merrie Melodies cartoons, also produced by Warner Brothers, under the musical direction of Carl W. Stalling.
Title: You Must Have Been a Beautiful Baby
Content:  20, 1938, released by Conqueror Records as catalog number 9149, with the flip side "I Won't Tell a Soul" ) ; Dorothy Carless and Sam Costa ("two voices and a piano") in February 1939, released by Regal Zonophone (MR 2984). ; Robert Clary (released by Capitol Records as catalog number 891, with the flip side "Alouette" ) ; Perry Como (recorded March 21, 1946, released by RCA Victor Records as catalog number 20-1916, with the flip side "A Garden in the Rain" ) ; Bobby Darin (recorded on June 19, 1961 released as Atco 6206, with the flip side "Sorrow Tomorrow"; the biggest hit version, reaching U.S. #5 and UK #10) ; Joe Loss & his Band with vocal by Chick Henderson (recorded January 21, 1939 
Title: Beautiful (Jessica Mauboy song)
Content:  "Beautiful" was written by Jessica Mauboy, Charles Hinshaw, Chaz Mishan and David Delazyn, and produced by The Fliptones. The Fliptones also handled the programming and keys. Mauboy's vocals were recorded at Rondor/Universal Recording Studio. "Beautiful" was engineered by Stuart Schenk and mixed by James Royo. It was mastered by Tom Coyne at Sterling Sound in New York City. According to Janelle Tucknott of Renowned for Sound, the song features "heavy bass notes" and its instrumentation is provided by an electronic keyboard. "Beautiful" was made available for digital purchase on 22 November 2013.
Title: Beautiful (MercyMe song)
Content:  "Beautiful" was written and composed by the members of MercyMe, Dan Muckala, and Brown Bannister. "Beautiful" was written for the daughters of MercyMe's band members. Lead singer Bart Millard, in an interview with Kevin Davis of New Release Tuesday, stated that "We [MercyMe] wrote the song with our daughters in mind. The band has 15 kids among all of us... Satan targets our girls from a materialistic way, telling them how to act and how to look, what to eat and not to eat", also commenting that "I try to tell my kids all the time that they are perfect 
Title: You Must Have Been a Beautiful Baby
Content: Russ Morgan and his orchestra (recorded August 26, 1938, released by Decca Records as catalog number 2125A, with the flip side "This Is Madness" ) ; Tommy Dorsey and his Clambake 7 with vocal by Edythe Wright (recorded September 29, 1938, released by Victor Records as catalog number 26066, with the flip side "Sailing at Midnight" ) ; Blue Barron and his orchestra (recorded October 1, 1938, released by Bluebird Records as catalog number 7886 and by Montgomery Ward Records as catalog number 7537, both with the flip side "It's Time to Say Aloha"  ) ; Bing Crosby with Bob Crosby and his orchestra (recorded October 14, 1938, released by Decca Records as catalog number 2147A, with the flip side "Summertime" ) ; Chick Bullock (recorded 
Title: Beautiful You (The Oak Ridge Boys song)
Content:  "Beautiful You" is a song written by Dave Hanner, and recorded by American country music group The Oak Ridge Boys. It was released in November 1980 as the third single from the album Together. The song reached number 3 on the Billboard Hot Country Singles & Tracks chart.
Title: You're Beautiful
Content:  "You're Beautiful" is a song by English singer-songwriter James Blunt. It was written by Blunt, Sacha Skarbek and Amanda Ghost for Blunt's debut album, Back to Bedlam (2004). It was released as the second single from the album in 2005. In the United Kingdom and Australia, the song reached number one and number two respectively. When released as the debut single from Back to Bedlam in Canada and the United States, it reached number one on both charts and received widespread airplay. In 2006, the song won an Ivor Novello Award for airplay. The song has sold 625,000 copies in the United Kingdom as stated by the Official Charts Company, and by October 2012 over three million in the United States. It remains Blunt's biggest hit single in the United States to date, and his only one to reach the top 40 of the Billboard Hot 100. In 2012, a new version of the single was issued in Japan. The Q;indivi+ Remix, featuring Japanese performer Keri, was issued on 28 March 2012. The song is performed in the key of E♭ Major.
Title: You Don't Have to Be a Baby to Cry
Content:  "You Don't Have to Be a Baby to Cry" is a song written by Bob Merrill and Terry Shand, first recorded in 1950, by Moon Mullican,
Title: You Are So Beautiful
Content:  Billy Preston wrote "You Are So Beautiful" with one of his regular collaborators, Bruce Fisher. Preston's inspiration was his mother, who worked as a stage actress. According to his friend Sam Moore (who had assumed it was a standard love song), Preston was appalled to learn that Moore was using the song as a means to attract young women each time he sang it in concert. In Moore's description, Preston told him: "That song's about my mother!" The composition incorporates part of Preston's 1969 song "Let Us All Get Together (Right Now)", which he wrote with soul singer Doris Troy. According to Beach Boys biographer Jon Stebbins, although Dennis Wilson is not credited as a writer, he helped Preston finish 
Title: Oh Yes! You're Beautiful
Content:  "Oh Yes! You're Beautiful" is a song by English glam rock singer Gary Glitter, written by Glitter with Mike Leander and produced by Mike Leander. It was released as a standalone single in the UK in 1974, and peaked at No. 2 on the UK Singles Chart. The single features the non-album track, "Thank You, Baby, For Myself" as its B-side, which was exclusive to the single.

Question: who wrote you must have been a beautiful baby?
Answer: Johnny Mercer.
lyrics by Johnny Mercer.
music by Harry Warren.
Harry Warren.